mirror of
https://github.com/torvalds/linux
synced 2024-11-05 18:23:50 +00:00
staging/easycap: convert comparison to NULL into boolean
convert if (NULL != ptr) to if (ptr) convert if (NULL == ptr) to if (!ptr) Cc: Mike Thomas <rmthomas@sciolus.org> Signed-off-by: Tomas Winkler <tomas.winkler@intel.com> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
This commit is contained in:
Tomas Winkler
Greg Kroah-Hartman
parent
febd32bcfd
commit
6888393c43
6 changed files with 196 additions and 196 deletions
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@ -48,11 +48,11 @@ int adjust_standard(struct easycap *peasycap, v4l2_std_id std_id)
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unsigned int itwas, isnow;
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bool resubmit;
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if (NULL == peasycap) {
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if (!peasycap) {
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SAY("ERROR: peasycap is NULL\n");
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return -EFAULT;
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}
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if (NULL == peasycap->pusb_device) {
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if (!peasycap->pusb_device) {
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SAM("ERROR: peasycap->pusb_device is NULL\n");
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return -EFAULT;
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}
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@ -370,7 +370,7 @@ int adjust_format(struct easycap *peasycap,
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u32 uc;
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bool resubmit;
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if (NULL == peasycap) {
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if (!peasycap) {
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SAY("ERROR: peasycap is NULL\n");
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return -EFAULT;
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}
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@ -379,7 +379,7 @@ int adjust_format(struct easycap *peasycap,
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return -EBUSY;
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}
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p = peasycap->pusb_device;
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if (NULL == p) {
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if (!p) {
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SAM("ERROR: peaycap->pusb_device is NULL\n");
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return -EFAULT;
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}
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@ -491,7 +491,7 @@ int adjust_format(struct easycap *peasycap,
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return peasycap->format_offset;
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}
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}
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if (NULL == peasycap_best_format) {
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if (!peasycap_best_format) {
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SAM("MISTAKE: peasycap_best_format is NULL");
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return -EINVAL;
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}
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@ -632,11 +632,11 @@ int adjust_brightness(struct easycap *peasycap, int value)
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unsigned int mood;
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int i1, k;
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if (NULL == peasycap) {
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if (!peasycap) {
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SAY("ERROR: peasycap is NULL\n");
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return -EFAULT;
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}
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if (NULL == peasycap->pusb_device) {
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if (!peasycap->pusb_device) {
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SAM("ERROR: peasycap->pusb_device is NULL\n");
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return -EFAULT;
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}
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@ -689,11 +689,11 @@ int adjust_contrast(struct easycap *peasycap, int value)
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unsigned int mood;
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int i1, k;
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if (NULL == peasycap) {
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if (!peasycap) {
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SAY("ERROR: peasycap is NULL\n");
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return -EFAULT;
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}
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if (NULL == peasycap->pusb_device) {
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if (!peasycap->pusb_device) {
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SAM("ERROR: peasycap->pusb_device is NULL\n");
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return -EFAULT;
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}
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@ -747,11 +747,11 @@ int adjust_saturation(struct easycap *peasycap, int value)
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unsigned int mood;
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int i1, k;
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if (NULL == peasycap) {
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if (!peasycap) {
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SAY("ERROR: peasycap is NULL\n");
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return -EFAULT;
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}
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if (NULL == peasycap->pusb_device) {
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if (!peasycap->pusb_device) {
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SAM("ERROR: peasycap->pusb_device is NULL\n");
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return -EFAULT;
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}
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@ -805,11 +805,11 @@ int adjust_hue(struct easycap *peasycap, int value)
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unsigned int mood;
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int i1, i2, k;
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if (NULL == peasycap) {
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if (!peasycap) {
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SAY("ERROR: peasycap is NULL\n");
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return -EFAULT;
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}
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if (NULL == peasycap->pusb_device) {
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if (!peasycap->pusb_device) {
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SAM("ERROR: peasycap->pusb_device is NULL\n");
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return -EFAULT;
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}
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@ -859,11 +859,11 @@ int adjust_volume(struct easycap *peasycap, int value)
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s8 mood;
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int i1;
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if (NULL == peasycap) {
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if (!peasycap) {
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SAY("ERROR: peasycap is NULL\n");
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return -EFAULT;
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}
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if (NULL == peasycap->pusb_device) {
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if (!peasycap->pusb_device) {
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SAM("ERROR: peasycap->pusb_device is NULL\n");
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return -EFAULT;
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}
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@ -916,11 +916,11 @@ static int adjust_mute(struct easycap *peasycap, int value)
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{
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int i1;
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if (NULL == peasycap) {
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if (!peasycap) {
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SAY("ERROR: peasycap is NULL\n");
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return -EFAULT;
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}
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if (NULL == peasycap->pusb_device) {
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if (!peasycap->pusb_device) {
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SAM("ERROR: peasycap->pusb_device is NULL\n");
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return -EFAULT;
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}
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@ -958,12 +958,12 @@ long easycap_unlocked_ioctl(struct file *file,
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struct usb_device *p;
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int kd;
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if (NULL == file) {
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if (!file) {
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SAY("ERROR: file is NULL\n");
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return -ERESTARTSYS;
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}
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peasycap = file->private_data;
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if (NULL == peasycap) {
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if (!peasycap) {
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SAY("ERROR: peasycap is NULL\n");
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return -1;
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}
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@ -972,7 +972,7 @@ long easycap_unlocked_ioctl(struct file *file,
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return -EFAULT;
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}
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p = peasycap->pusb_device;
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if (NULL == p) {
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if (!p) {
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SAM("ERROR: peasycap->pusb_device is NULL\n");
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return -EFAULT;
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}
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@ -993,13 +993,13 @@ long easycap_unlocked_ioctl(struct file *file,
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/*---------------------------------------------------------------------------*/
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if (kd != isdongle(peasycap))
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return -ERESTARTSYS;
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if (NULL == file) {
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if (!file) {
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SAY("ERROR: file is NULL\n");
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mutex_unlock(&easycapdc60_dongle[kd].mutex_video);
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return -ERESTARTSYS;
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}
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peasycap = file->private_data;
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if (NULL == peasycap) {
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if (!peasycap) {
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SAY("ERROR: peasycap is NULL\n");
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mutex_unlock(&easycapdc60_dongle[kd].mutex_video);
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return -ERESTARTSYS;
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@ -1010,7 +1010,7 @@ long easycap_unlocked_ioctl(struct file *file,
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return -EFAULT;
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}
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p = peasycap->pusb_device;
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if (NULL == peasycap->pusb_device) {
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if (!peasycap->pusb_device) {
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SAM("ERROR: peasycap->pusb_device is NULL\n");
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mutex_unlock(&easycapdc60_dongle[kd].mutex_video);
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return -ERESTARTSYS;
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@ -2325,7 +2325,7 @@ long easycap_unlocked_ioctl(struct file *file,
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peasycap->isequence = 0;
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for (i = 0; i < 180; i++)
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peasycap->merit[i] = 0;
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if (NULL == peasycap->pusb_device) {
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if (!peasycap->pusb_device) {
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SAM("ERROR: peasycap->pusb_device is NULL\n");
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mutex_unlock(&easycapdc60_dongle[kd].mutex_video);
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return -EFAULT;
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@ -2341,7 +2341,7 @@ long easycap_unlocked_ioctl(struct file *file,
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case VIDIOC_STREAMOFF: {
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JOM(8, "VIDIOC_STREAMOFF\n");
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if (NULL == peasycap->pusb_device) {
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if (!peasycap->pusb_device) {
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SAM("ERROR: peasycap->pusb_device is NULL\n");
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mutex_unlock(&easycapdc60_dongle[kd].mutex_video);
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return -EFAULT;
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@ -2362,7 +2362,7 @@ long easycap_unlocked_ioctl(struct file *file,
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wake_up_interruptible(&(peasycap->wq_audio));
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#else
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if (NULL != peasycap->psubstream)
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if (peasycap->psubstream)
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snd_pcm_period_elapsed(peasycap->psubstream);
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#endif /* CONFIG_EASYCAP_OSS */
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/*---------------------------------------------------------------------------*/
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@ -330,7 +330,7 @@ int confirm_resolution(struct usb_device *p)
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{
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u8 get0, get1, get2, get3, get4, get5, get6, get7;
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if (NULL == p)
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if (!p)
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return -ENODEV;
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GET(p, 0x0110, &get0);
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GET(p, 0x0111, &get1);
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@ -371,7 +371,7 @@ int confirm_stream(struct usb_device *p)
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u16 get2;
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u8 igot;
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if (NULL == p)
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if (!p)
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return -ENODEV;
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GET(p, 0x0100, &igot); get2 = 0x80 & igot;
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if (0x80 == get2)
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@ -385,7 +385,7 @@ int setup_stk(struct usb_device *p, bool ntsc)
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{
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int i0;
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if (NULL == p)
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if (!p)
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return -ENODEV;
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i0 = 0;
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if (ntsc) {
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@ -411,7 +411,7 @@ int setup_saa(struct usb_device *p, bool ntsc)
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{
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int i0, ir;
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if (NULL == p)
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if (!p)
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return -ENODEV;
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i0 = 0;
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if (ntsc) {
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@ -434,7 +434,7 @@ int write_000(struct usb_device *p, u16 set2, u16 set0)
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{
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u8 igot0, igot2;
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if (NULL == p)
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if (!p)
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return -ENODEV;
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GET(p, 0x0002, &igot2);
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GET(p, 0x0000, &igot0);
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@ -445,7 +445,7 @@ int write_000(struct usb_device *p, u16 set2, u16 set0)
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/****************************************************************************/
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int write_saa(struct usb_device *p, u16 reg0, u16 set0)
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{
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if (NULL == p)
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if (!p)
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return -ENODEV;
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SET(p, 0x200, 0x00);
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SET(p, 0x204, reg0);
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@ -470,7 +470,7 @@ write_vt(struct usb_device *p, u16 reg0, u16 set0)
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u16 got502, got503;
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u16 set502, set503;
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if (NULL == p)
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if (!p)
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return -ENODEV;
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SET(p, 0x0504, reg0);
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SET(p, 0x0500, 0x008B);
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@ -506,7 +506,7 @@ int read_vt(struct usb_device *p, u16 reg0)
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u8 igot;
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u16 got502, got503;
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if (NULL == p)
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if (!p)
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return -ENODEV;
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SET(p, 0x0504, reg0);
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SET(p, 0x0500, 0x008B);
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@ -527,7 +527,7 @@ int read_vt(struct usb_device *p, u16 reg0)
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/*--------------------------------------------------------------------------*/
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int write_300(struct usb_device *p)
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{
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if (NULL == p)
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if (!p)
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return -ENODEV;
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SET(p, 0x300, 0x0012);
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SET(p, 0x350, 0x002D);
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@ -548,7 +548,7 @@ int check_saa(struct usb_device *p, bool ntsc)
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{
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int i0, ir, rc;
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if (NULL == p)
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if (!p)
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return -ENODEV;
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i0 = 0;
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rc = 0;
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@ -597,7 +597,7 @@ int merit_saa(struct usb_device *p)
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{
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int rc;
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if (NULL == p)
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if (!p)
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return -ENODEV;
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rc = read_saa(p, 0x1F);
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return ((0 > rc) || (0x02 & rc)) ? 1 : 0;
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@ -615,7 +615,7 @@ int ready_saa(struct usb_device *p)
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* 3 FOR NON-INTERLACED 60 Hz
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*/
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/*--------------------------------------------------------------------------*/
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if (NULL == p)
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if (!p)
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return -ENODEV;
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j = 0;
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while (max > j) {
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@ -660,7 +660,7 @@ int check_stk(struct usb_device *p, bool ntsc)
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{
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int i0, ir;
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if (NULL == p)
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if (!p)
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return -ENODEV;
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i0 = 0;
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if (ntsc) {
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@ -731,7 +731,7 @@ int read_saa(struct usb_device *p, u16 reg0)
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{
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u8 igot;
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if (NULL == p)
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if (!p)
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return -ENODEV;
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SET(p, 0x208, reg0);
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SET(p, 0x200, 0x20);
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@ -746,7 +746,7 @@ int read_stk(struct usb_device *p, u32 reg0)
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{
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u8 igot;
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if (NULL == p)
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if (!p)
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return -ENODEV;
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igot = 0;
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GET(p, reg0, &igot);
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@ -776,7 +776,7 @@ select_input(struct usb_device *p, int input, int mode)
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{
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int ir;
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if (NULL == p)
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if (!p)
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return -ENODEV;
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stop_100(p);
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switch (input) {
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@ -879,7 +879,7 @@ int set_resolution(struct usb_device *p,
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{
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u16 u0x0111, u0x0113, u0x0115, u0x0117;
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if (NULL == p)
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if (!p)
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return -ENODEV;
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u0x0111 = ((0xFF00 & set0) >> 8);
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u0x0113 = ((0xFF00 & set1) >> 8);
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@ -903,7 +903,7 @@ int start_100(struct usb_device *p)
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u16 get116, get117, get0;
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u8 igot116, igot117, igot;
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if (NULL == p)
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if (!p)
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return -ENODEV;
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GET(p, 0x0116, &igot116);
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get116 = igot116;
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@ -927,7 +927,7 @@ int stop_100(struct usb_device *p)
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u16 get0;
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u8 igot;
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if (NULL == p)
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if (!p)
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return -ENODEV;
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GET(p, 0x0100, &igot);
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get0 = igot;
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@ -947,7 +947,7 @@ int wait_i2c(struct usb_device *p)
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const int max = 2;
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int k;
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if (NULL == p)
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if (!p)
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return -ENODEV;
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for (k = 0; k < max; k++) {
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@ -1000,11 +1000,11 @@ audio_setup(struct easycap *peasycap)
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const u16 index = 0x0301;
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const u16 length = 1;
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if (NULL == peasycap)
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if (!peasycap)
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return -EFAULT;
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pusb_device = peasycap->pusb_device;
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if (NULL == pusb_device)
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if (!pusb_device)
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return -ENODEV;
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JOM(8, "%02X %02X %02X %02X %02X %02X %02X %02X\n",
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@ -1143,7 +1143,7 @@ int audio_gainset(struct usb_device *pusb_device, s8 loud)
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u8 tmp;
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u16 mute;
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if (NULL == pusb_device)
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if (!pusb_device)
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return -ENODEV;
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if (0 > loud)
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loud = 0;
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@ -1209,7 +1209,7 @@ int audio_gainget(struct usb_device *pusb_device)
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{
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int igot;
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if (NULL == pusb_device)
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if (!pusb_device)
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return -ENODEV;
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igot = read_vt(pusb_device, 0x001C);
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if (0 > igot)
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@ -128,7 +128,7 @@ const char *strerror(int err)
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int isdongle(struct easycap *peasycap)
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{
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int k;
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if (NULL == peasycap)
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if (!peasycap)
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return -2;
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for (k = 0; k < DONGLE_MANY; k++) {
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if (easycapdc60_dongle[k].peasycap == peasycap) {
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@ -154,7 +154,7 @@ static int easycap_open(struct inode *inode, struct file *file)
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/*---------------------------------------------------------------------------*/
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#ifndef EASYCAP_IS_VIDEODEV_CLIENT
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if (NULL == inode) {
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if (!inode) {
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SAY("ERROR: inode is NULL.\n");
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return -EFAULT;
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}
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@ -167,13 +167,13 @@ static int easycap_open(struct inode *inode, struct file *file)
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/*vvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvv*/
|
||||
#else
|
||||
pvideo_device = video_devdata(file);
|
||||
if (NULL == pvideo_device) {
|
||||
if (!pvideo_device) {
|
||||
SAY("ERROR: pvideo_device is NULL.\n");
|
||||
return -EFAULT;
|
||||
}
|
||||
peasycap = (struct easycap *)video_get_drvdata(pvideo_device);
|
||||
#endif /*EASYCAP_IS_VIDEODEV_CLIENT*/
|
||||
if (NULL == peasycap) {
|
||||
if (!peasycap) {
|
||||
SAY("ERROR: peasycap is NULL\n");
|
||||
return -EFAULT;
|
||||
}
|
||||
|
|
@ -181,7 +181,7 @@ static int easycap_open(struct inode *inode, struct file *file)
|
|||
SAY("ERROR: bad peasycap: %p\n", peasycap);
|
||||
return -EFAULT;
|
||||
}
|
||||
if (NULL == peasycap->pusb_device) {
|
||||
if (!peasycap->pusb_device) {
|
||||
SAM("ERROR: peasycap->pusb_device is NULL\n");
|
||||
return -EFAULT;
|
||||
} else {
|
||||
|
|
@ -224,7 +224,7 @@ static int reset(struct easycap *peasycap)
|
|||
bool ntsc, other;
|
||||
int fmtidx;
|
||||
|
||||
if (NULL == peasycap) {
|
||||
if (!peasycap) {
|
||||
SAY("ERROR: peasycap is NULL\n");
|
||||
return -EFAULT;
|
||||
}
|
||||
|
|
@ -406,7 +406,7 @@ newinput(struct easycap *peasycap, int input)
|
|||
int inputnow, video_idlenow, audio_idlenow;
|
||||
bool resubmit;
|
||||
|
||||
if (NULL == peasycap) {
|
||||
if (!peasycap) {
|
||||
SAY("ERROR: peasycap is NULL\n");
|
||||
return -EFAULT;
|
||||
}
|
||||
|
|
@ -437,7 +437,7 @@ newinput(struct easycap *peasycap, int input)
|
|||
resubmit = false;
|
||||
}
|
||||
/*---------------------------------------------------------------------------*/
|
||||
if (NULL == peasycap->pusb_device) {
|
||||
if (!peasycap->pusb_device) {
|
||||
SAM("ERROR: peasycap->pusb_device is NULL\n");
|
||||
return -ENODEV;
|
||||
}
|
||||
|
|
@ -550,7 +550,7 @@ newinput(struct easycap *peasycap, int input)
|
|||
return -ENOENT;
|
||||
}
|
||||
/*---------------------------------------------------------------------------*/
|
||||
if (NULL == peasycap->pusb_device) {
|
||||
if (!peasycap->pusb_device) {
|
||||
SAM("ERROR: peasycap->pusb_device is NULL\n");
|
||||
return -ENODEV;
|
||||
}
|
||||
|
|
@ -585,16 +585,16 @@ int submit_video_urbs(struct easycap *peasycap)
|
|||
int j, isbad, nospc, m, rc;
|
||||
int isbuf;
|
||||
|
||||
if (NULL == peasycap) {
|
||||
if (!peasycap) {
|
||||
SAY("ERROR: peasycap is NULL\n");
|
||||
return -EFAULT;
|
||||
}
|
||||
|
||||
if (NULL == peasycap->purb_video_head) {
|
||||
if (!peasycap->purb_video_head) {
|
||||
SAY("ERROR: peasycap->urb_video_head uninitialized\n");
|
||||
return -EFAULT;
|
||||
}
|
||||
if (NULL == peasycap->pusb_device) {
|
||||
if (!peasycap->pusb_device) {
|
||||
SAY("ERROR: peasycap->pusb_device is NULL\n");
|
||||
return -ENODEV;
|
||||
}
|
||||
|
|
@ -656,9 +656,9 @@ int submit_video_urbs(struct easycap *peasycap)
|
|||
list_for_each(plist_head, (peasycap->purb_video_head)) {
|
||||
pdata_urb = list_entry(plist_head,
|
||||
struct data_urb, list_head);
|
||||
if (NULL != pdata_urb) {
|
||||
if (pdata_urb) {
|
||||
purb = pdata_urb->purb;
|
||||
if (NULL != purb)
|
||||
if (purb)
|
||||
usb_kill_urb(purb);
|
||||
}
|
||||
}
|
||||
|
|
@ -679,7 +679,7 @@ int kill_video_urbs(struct easycap *peasycap)
|
|||
struct list_head *plist_head;
|
||||
struct data_urb *pdata_urb;
|
||||
|
||||
if (NULL == peasycap) {
|
||||
if (!peasycap) {
|
||||
SAY("ERROR: peasycap is NULL\n");
|
||||
return -EFAULT;
|
||||
}
|
||||
|
|
@ -717,7 +717,7 @@ static int easycap_release(struct inode *inode, struct file *file)
|
|||
|
||||
|
||||
peasycap = file->private_data;
|
||||
if (NULL == peasycap) {
|
||||
if (!peasycap) {
|
||||
SAY("ERROR: peasycap is NULL.\n");
|
||||
SAY("ending unsuccessfully\n");
|
||||
return -EFAULT;
|
||||
|
|
@ -750,7 +750,7 @@ static int videodev_release(struct video_device *pvideo_device)
|
|||
struct easycap *peasycap;
|
||||
|
||||
peasycap = video_get_drvdata(pvideo_device);
|
||||
if (NULL == peasycap) {
|
||||
if (!peasycap) {
|
||||
SAY("ERROR: peasycap is NULL\n");
|
||||
SAY("ending unsuccessfully\n");
|
||||
return -EFAULT;
|
||||
|
|
@ -793,7 +793,7 @@ static void easycap_delete(struct kref *pkref)
|
|||
int registered_video, registered_audio;
|
||||
|
||||
peasycap = container_of(pkref, struct easycap, kref);
|
||||
if (NULL == peasycap) {
|
||||
if (!peasycap) {
|
||||
SAM("ERROR: peasycap is NULL: cannot perform deletions\n");
|
||||
return;
|
||||
}
|
||||
|
|
@ -807,16 +807,16 @@ static void easycap_delete(struct kref *pkref)
|
|||
* FREE VIDEO.
|
||||
*/
|
||||
/*---------------------------------------------------------------------------*/
|
||||
if (NULL != peasycap->purb_video_head) {
|
||||
if (peasycap->purb_video_head) {
|
||||
JOM(4, "freeing video urbs\n");
|
||||
m = 0;
|
||||
list_for_each(plist_head, (peasycap->purb_video_head)) {
|
||||
pdata_urb = list_entry(plist_head,
|
||||
struct data_urb, list_head);
|
||||
if (NULL == pdata_urb) {
|
||||
if (!pdata_urb) {
|
||||
JOM(4, "ERROR: pdata_urb is NULL\n");
|
||||
} else {
|
||||
if (NULL != pdata_urb->purb) {
|
||||
if (pdata_urb->purb) {
|
||||
usb_free_urb(pdata_urb->purb);
|
||||
pdata_urb->purb = NULL;
|
||||
peasycap->allocation_video_urb -= 1;
|
||||
|
|
@ -866,7 +866,7 @@ static void easycap_delete(struct kref *pkref)
|
|||
gone = 0;
|
||||
for (k = 0; k < FIELD_BUFFER_MANY; k++) {
|
||||
for (m = 0; m < FIELD_BUFFER_SIZE/PAGE_SIZE; m++) {
|
||||
if (NULL != peasycap->field_buffer[k][m].pgo) {
|
||||
if (peasycap->field_buffer[k][m].pgo) {
|
||||
free_page((unsigned long)
|
||||
peasycap->field_buffer[k][m].pgo);
|
||||
peasycap->field_buffer[k][m].pgo = NULL;
|
||||
|
|
@ -881,7 +881,7 @@ static void easycap_delete(struct kref *pkref)
|
|||
gone = 0;
|
||||
for (k = 0; k < FRAME_BUFFER_MANY; k++) {
|
||||
for (m = 0; m < FRAME_BUFFER_SIZE/PAGE_SIZE; m++) {
|
||||
if (NULL != peasycap->frame_buffer[k][m].pgo) {
|
||||
if (peasycap->frame_buffer[k][m].pgo) {
|
||||
free_page((unsigned long)
|
||||
peasycap->frame_buffer[k][m].pgo);
|
||||
peasycap->frame_buffer[k][m].pgo = NULL;
|
||||
|
|
@ -896,16 +896,16 @@ static void easycap_delete(struct kref *pkref)
|
|||
* FREE AUDIO.
|
||||
*/
|
||||
/*---------------------------------------------------------------------------*/
|
||||
if (NULL != peasycap->purb_audio_head) {
|
||||
if (peasycap->purb_audio_head) {
|
||||
JOM(4, "freeing audio urbs\n");
|
||||
m = 0;
|
||||
list_for_each(plist_head, (peasycap->purb_audio_head)) {
|
||||
pdata_urb = list_entry(plist_head,
|
||||
struct data_urb, list_head);
|
||||
if (NULL == pdata_urb)
|
||||
if (!pdata_urb)
|
||||
JOM(4, "ERROR: pdata_urb is NULL\n");
|
||||
else {
|
||||
if (NULL != pdata_urb->purb) {
|
||||
if (pdata_urb->purb) {
|
||||
usb_free_urb(pdata_urb->purb);
|
||||
pdata_urb->purb = NULL;
|
||||
peasycap->allocation_audio_urb -= 1;
|
||||
|
|
@ -937,7 +937,7 @@ static void easycap_delete(struct kref *pkref)
|
|||
JOM(4, "freeing audio isoc buffers.\n");
|
||||
m = 0;
|
||||
for (k = 0; k < AUDIO_ISOC_BUFFER_MANY; k++) {
|
||||
if (NULL != peasycap->audio_isoc_buffer[k].pgo) {
|
||||
if (peasycap->audio_isoc_buffer[k].pgo) {
|
||||
free_pages((unsigned long)
|
||||
(peasycap->audio_isoc_buffer[k].pgo),
|
||||
AUDIO_ISOC_ORDER);
|
||||
|
|
@ -954,7 +954,7 @@ static void easycap_delete(struct kref *pkref)
|
|||
JOM(4, "freeing audio buffers.\n");
|
||||
gone = 0;
|
||||
for (k = 0; k < peasycap->audio_buffer_page_many; k++) {
|
||||
if (NULL != peasycap->audio_buffer[k].pgo) {
|
||||
if (peasycap->audio_buffer[k].pgo) {
|
||||
free_page((unsigned long)peasycap->audio_buffer[k].pgo);
|
||||
peasycap->audio_buffer[k].pgo = NULL;
|
||||
peasycap->allocation_audio_page -= 1;
|
||||
|
|
@ -1013,12 +1013,12 @@ static unsigned int easycap_poll(struct file *file, poll_table *wait)
|
|||
|
||||
if (NULL == ((poll_table *)wait))
|
||||
JOT(8, "WARNING: poll table pointer is NULL ... continuing\n");
|
||||
if (NULL == file) {
|
||||
if (!file) {
|
||||
SAY("ERROR: file pointer is NULL\n");
|
||||
return -ERESTARTSYS;
|
||||
}
|
||||
peasycap = file->private_data;
|
||||
if (NULL == peasycap) {
|
||||
if (!peasycap) {
|
||||
SAY("ERROR: peasycap is NULL\n");
|
||||
return -EFAULT;
|
||||
}
|
||||
|
|
@ -1026,7 +1026,7 @@ static unsigned int easycap_poll(struct file *file, poll_table *wait)
|
|||
SAY("ERROR: bad peasycap: %p\n", peasycap);
|
||||
return -EFAULT;
|
||||
}
|
||||
if (NULL == peasycap->pusb_device) {
|
||||
if (!peasycap->pusb_device) {
|
||||
SAY("ERROR: peasycap->pusb_device is NULL\n");
|
||||
return -EFAULT;
|
||||
}
|
||||
|
|
@ -1045,13 +1045,13 @@ static unsigned int easycap_poll(struct file *file, poll_table *wait)
|
|||
*/
|
||||
if (kd != isdongle(peasycap))
|
||||
return -ERESTARTSYS;
|
||||
if (NULL == file) {
|
||||
if (!file) {
|
||||
SAY("ERROR: file is NULL\n");
|
||||
mutex_unlock(&easycapdc60_dongle[kd].mutex_video);
|
||||
return -ERESTARTSYS;
|
||||
}
|
||||
peasycap = file->private_data;
|
||||
if (NULL == peasycap) {
|
||||
if (!peasycap) {
|
||||
SAY("ERROR: peasycap is NULL\n");
|
||||
mutex_unlock(&easycapdc60_dongle[kd].mutex_video);
|
||||
return -ERESTARTSYS;
|
||||
|
|
@ -1061,7 +1061,7 @@ static unsigned int easycap_poll(struct file *file, poll_table *wait)
|
|||
mutex_unlock(&easycapdc60_dongle[kd].mutex_video);
|
||||
return -ERESTARTSYS;
|
||||
}
|
||||
if (NULL == peasycap->pusb_device) {
|
||||
if (!peasycap->pusb_device) {
|
||||
SAM("ERROR: peasycap->pusb_device is NULL\n");
|
||||
mutex_unlock(&easycapdc60_dongle[kd].mutex_video);
|
||||
return -ERESTARTSYS;
|
||||
|
|
@ -1093,11 +1093,11 @@ int easycap_dqbuf(struct easycap *peasycap, int mode)
|
|||
int input, ifield, miss, rc;
|
||||
|
||||
|
||||
if (NULL == peasycap) {
|
||||
if (!peasycap) {
|
||||
SAY("ERROR: peasycap is NULL\n");
|
||||
return -EFAULT;
|
||||
}
|
||||
if (NULL == peasycap->pusb_device) {
|
||||
if (!peasycap->pusb_device) {
|
||||
SAY("ERROR: peasycap->pusb_device is NULL\n");
|
||||
return -EFAULT;
|
||||
}
|
||||
|
|
@ -1321,7 +1321,7 @@ field2frame(struct easycap *peasycap)
|
|||
u8 mask, margin;
|
||||
bool odd, isuy, decimatepixel, offerfields, badinput;
|
||||
|
||||
if (NULL == peasycap) {
|
||||
if (!peasycap) {
|
||||
SAY("ERROR: peasycap is NULL\n");
|
||||
return -EFAULT;
|
||||
}
|
||||
|
|
@ -1789,7 +1789,7 @@ redaub(struct easycap *peasycap, void *pad, void *pex, int much, int more,
|
|||
JOM(8, "lookup tables are prepared\n");
|
||||
}
|
||||
pcache = peasycap->pcache;
|
||||
if (NULL == pcache)
|
||||
if (!pcache)
|
||||
pcache = &peasycap->cache[0];
|
||||
/*---------------------------------------------------------------------------*/
|
||||
/*
|
||||
|
|
@ -2511,7 +2511,7 @@ static void easycap_vma_open(struct vm_area_struct *pvma)
|
|||
struct easycap *peasycap;
|
||||
|
||||
peasycap = pvma->vm_private_data;
|
||||
if (NULL == peasycap) {
|
||||
if (!peasycap) {
|
||||
SAY("ERROR: peasycap is NULL\n");
|
||||
return;
|
||||
}
|
||||
|
|
@ -2529,7 +2529,7 @@ static void easycap_vma_close(struct vm_area_struct *pvma)
|
|||
struct easycap *peasycap;
|
||||
|
||||
peasycap = pvma->vm_private_data;
|
||||
if (NULL == peasycap) {
|
||||
if (!peasycap) {
|
||||
SAY("ERROR: peasycap is NULL\n");
|
||||
return;
|
||||
}
|
||||
|
|
@ -2551,11 +2551,11 @@ static int easycap_vma_fault(struct vm_area_struct *pvma, struct vm_fault *pvmf)
|
|||
|
||||
retcode = VM_FAULT_NOPAGE;
|
||||
|
||||
if (NULL == pvma) {
|
||||
if (!pvma) {
|
||||
SAY("pvma is NULL\n");
|
||||
return retcode;
|
||||
}
|
||||
if (NULL == pvmf) {
|
||||
if (!pvmf) {
|
||||
SAY("pvmf is NULL\n");
|
||||
return retcode;
|
||||
}
|
||||
|
|
@ -2577,24 +2577,24 @@ static int easycap_vma_fault(struct vm_area_struct *pvma, struct vm_fault *pvmf)
|
|||
return retcode;
|
||||
}
|
||||
peasycap = pvma->vm_private_data;
|
||||
if (NULL == peasycap) {
|
||||
if (!peasycap) {
|
||||
SAY("ERROR: peasycap is NULL\n");
|
||||
return retcode;
|
||||
}
|
||||
/*---------------------------------------------------------------------------*/
|
||||
pbuf = peasycap->frame_buffer[k][m].pgo;
|
||||
if (NULL == pbuf) {
|
||||
if (!pbuf) {
|
||||
SAM("ERROR: pbuf is NULL\n");
|
||||
return retcode;
|
||||
}
|
||||
page = virt_to_page(pbuf);
|
||||
if (NULL == page) {
|
||||
if (!page) {
|
||||
SAM("ERROR: page is NULL\n");
|
||||
return retcode;
|
||||
}
|
||||
get_page(page);
|
||||
/*---------------------------------------------------------------------------*/
|
||||
if (NULL == page) {
|
||||
if (!page) {
|
||||
SAM("ERROR: page is NULL after get_page(page)\n");
|
||||
} else {
|
||||
pvmf->page = page;
|
||||
|
|
@ -2615,7 +2615,7 @@ static int easycap_mmap(struct file *file, struct vm_area_struct *pvma)
|
|||
|
||||
pvma->vm_ops = &easycap_vm_ops;
|
||||
pvma->vm_flags |= VM_RESERVED;
|
||||
if (NULL != file)
|
||||
if (file)
|
||||
pvma->vm_private_data = file->private_data;
|
||||
easycap_vma_open(pvma);
|
||||
return 0;
|
||||
|
|
@ -2658,12 +2658,12 @@ static void easycap_complete(struct urb *purb)
|
|||
int framestatus, framelength, frameactual, frameoffset;
|
||||
u8 *pu;
|
||||
|
||||
if (NULL == purb) {
|
||||
if (!purb) {
|
||||
SAY("ERROR: easycap_complete(): purb is NULL\n");
|
||||
return;
|
||||
}
|
||||
peasycap = purb->context;
|
||||
if (NULL == peasycap) {
|
||||
if (!peasycap) {
|
||||
SAY("ERROR: easycap_complete(): peasycap is NULL\n");
|
||||
return;
|
||||
}
|
||||
|
|
@ -3089,12 +3089,12 @@ static int easycap_usb_probe(struct usb_interface *pusb_interface,
|
|||
JOT(4, "bNumConfigurations=%i\n", pusb_device->descriptor.bNumConfigurations);
|
||||
/*---------------------------------------------------------------------------*/
|
||||
pusb_host_interface = pusb_interface->cur_altsetting;
|
||||
if (NULL == pusb_host_interface) {
|
||||
if (!pusb_host_interface) {
|
||||
SAY("ERROR: pusb_host_interface is NULL\n");
|
||||
return -EFAULT;
|
||||
}
|
||||
pusb_interface_descriptor = &(pusb_host_interface->desc);
|
||||
if (NULL == pusb_interface_descriptor) {
|
||||
if (!pusb_interface_descriptor) {
|
||||
SAY("ERROR: pusb_interface_descriptor is NULL\n");
|
||||
return -EFAULT;
|
||||
}
|
||||
|
|
@ -3128,7 +3128,7 @@ static int easycap_usb_probe(struct usb_interface *pusb_interface,
|
|||
/*---------------------------------------------------------------------------*/
|
||||
if (0 == bInterfaceNumber) {
|
||||
peasycap = kzalloc(sizeof(struct easycap), GFP_KERNEL);
|
||||
if (NULL == peasycap) {
|
||||
if (!peasycap) {
|
||||
SAY("ERROR: Could not allocate peasycap\n");
|
||||
return -ENOMEM;
|
||||
}
|
||||
|
|
@ -3166,7 +3166,7 @@ static int easycap_usb_probe(struct usb_interface *pusb_interface,
|
|||
*/
|
||||
/*---------------------------------------------------------------------------*/
|
||||
for (ndong = 0; ndong < DONGLE_MANY; ndong++) {
|
||||
if ((NULL == easycapdc60_dongle[ndong].peasycap) &&
|
||||
if ((!easycapdc60_dongle[ndong].peasycap) &&
|
||||
(!mutex_is_locked(&easycapdc60_dongle
|
||||
[ndong].mutex_video)) &&
|
||||
(!mutex_is_locked(&easycapdc60_dongle
|
||||
|
|
@ -3346,7 +3346,7 @@ static int easycap_usb_probe(struct usb_interface *pusb_interface,
|
|||
bInterfaceNumber);
|
||||
return -ENODEV;
|
||||
}
|
||||
if (NULL == peasycap) {
|
||||
if (!peasycap) {
|
||||
SAY("ERROR: peasycap is NULL when probing interface %i\n",
|
||||
bInterfaceNumber);
|
||||
return -ENODEV;
|
||||
|
|
@ -3362,7 +3362,7 @@ static int easycap_usb_probe(struct usb_interface *pusb_interface,
|
|||
/*---------------------------------------------------------------------------*/
|
||||
if (memcmp(&peasycap->telltale[0], TELLTALE, strlen(TELLTALE))) {
|
||||
pv4l2_device = usb_get_intfdata(pusb_interface);
|
||||
if (NULL == pv4l2_device) {
|
||||
if (!pv4l2_device) {
|
||||
SAY("ERROR: pv4l2_device is NULL\n");
|
||||
return -ENODEV;
|
||||
}
|
||||
|
|
@ -3413,12 +3413,12 @@ static int easycap_usb_probe(struct usb_interface *pusb_interface,
|
|||
|
||||
for (i = 0; i < pusb_interface->num_altsetting; i++) {
|
||||
pusb_host_interface = &(pusb_interface->altsetting[i]);
|
||||
if (NULL == pusb_host_interface) {
|
||||
if (!pusb_host_interface) {
|
||||
SAM("ERROR: pusb_host_interface is NULL\n");
|
||||
return -EFAULT;
|
||||
}
|
||||
pusb_interface_descriptor = &(pusb_host_interface->desc);
|
||||
if (NULL == pusb_interface_descriptor) {
|
||||
if (!pusb_interface_descriptor) {
|
||||
SAM("ERROR: pusb_interface_descriptor is NULL\n");
|
||||
return -EFAULT;
|
||||
}
|
||||
|
|
@ -3453,7 +3453,7 @@ static int easycap_usb_probe(struct usb_interface *pusb_interface,
|
|||
/*---------------------------------------------------------------------------*/
|
||||
for (j = 0; j < pusb_interface_descriptor->bNumEndpoints; j++) {
|
||||
pepd = &(pusb_host_interface->endpoint[j].desc);
|
||||
if (NULL == pepd) {
|
||||
if (!pepd) {
|
||||
SAM("ERROR: pepd is NULL.\n");
|
||||
SAM("...... skipping\n");
|
||||
continue;
|
||||
|
|
@ -3733,12 +3733,12 @@ static int easycap_usb_probe(struct usb_interface *pusb_interface,
|
|||
|
||||
for (k = 0; k < FRAME_BUFFER_MANY; k++) {
|
||||
for (m = 0; m < FRAME_BUFFER_SIZE/PAGE_SIZE; m++) {
|
||||
if (NULL != peasycap->frame_buffer[k][m].pgo)
|
||||
if (peasycap->frame_buffer[k][m].pgo)
|
||||
SAM("attempting to reallocate frame "
|
||||
" buffers\n");
|
||||
else {
|
||||
pbuf = (void *)__get_free_page(GFP_KERNEL);
|
||||
if (NULL == pbuf) {
|
||||
if (!pbuf) {
|
||||
SAM("ERROR: Could not allocate frame "
|
||||
"buffer %i page %i\n", k, m);
|
||||
return -ENOMEM;
|
||||
|
|
@ -3763,12 +3763,12 @@ static int easycap_usb_probe(struct usb_interface *pusb_interface,
|
|||
|
||||
for (k = 0; k < FIELD_BUFFER_MANY; k++) {
|
||||
for (m = 0; m < FIELD_BUFFER_SIZE/PAGE_SIZE; m++) {
|
||||
if (NULL != peasycap->field_buffer[k][m].pgo) {
|
||||
if (peasycap->field_buffer[k][m].pgo) {
|
||||
SAM("ERROR: attempting to reallocate "
|
||||
"field buffers\n");
|
||||
} else {
|
||||
pbuf = (void *) __get_free_page(GFP_KERNEL);
|
||||
if (NULL == pbuf) {
|
||||
if (!pbuf) {
|
||||
SAM("ERROR: Could not allocate field"
|
||||
" buffer %i page %i\n", k, m);
|
||||
return -ENOMEM;
|
||||
|
|
@ -3796,7 +3796,7 @@ static int easycap_usb_probe(struct usb_interface *pusb_interface,
|
|||
for (k = 0; k < VIDEO_ISOC_BUFFER_MANY; k++) {
|
||||
pbuf = (void *)__get_free_pages(GFP_KERNEL,
|
||||
VIDEO_ISOC_ORDER);
|
||||
if (NULL == pbuf) {
|
||||
if (!pbuf) {
|
||||
SAM("ERROR: Could not allocate isoc video buffer "
|
||||
"%i\n", k);
|
||||
return -ENOMEM;
|
||||
|
|
@ -3827,7 +3827,7 @@ static int easycap_usb_probe(struct usb_interface *pusb_interface,
|
|||
for (k = 0; k < VIDEO_ISOC_BUFFER_MANY; k++) {
|
||||
purb = usb_alloc_urb(peasycap->video_isoc_framesperdesc,
|
||||
GFP_KERNEL);
|
||||
if (NULL == purb) {
|
||||
if (!purb) {
|
||||
SAM("ERROR: usb_alloc_urb returned NULL for buffer "
|
||||
"%i\n", k);
|
||||
return -ENOMEM;
|
||||
|
|
@ -3835,7 +3835,7 @@ static int easycap_usb_probe(struct usb_interface *pusb_interface,
|
|||
peasycap->allocation_video_urb += 1;
|
||||
/* - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - */
|
||||
pdata_urb = kzalloc(sizeof(struct data_urb), GFP_KERNEL);
|
||||
if (NULL == pdata_urb) {
|
||||
if (!pdata_urb) {
|
||||
SAM("ERROR: Could not allocate struct data_urb.\n");
|
||||
return -ENOMEM;
|
||||
} else
|
||||
|
|
@ -4118,11 +4118,11 @@ static int easycap_usb_probe(struct usb_interface *pusb_interface,
|
|||
peasycap->audio_buffer_page_many);
|
||||
|
||||
for (k = 0; k < peasycap->audio_buffer_page_many; k++) {
|
||||
if (NULL != peasycap->audio_buffer[k].pgo) {
|
||||
if (peasycap->audio_buffer[k].pgo) {
|
||||
SAM("ERROR: attempting to reallocate audio buffers\n");
|
||||
} else {
|
||||
pbuf = (void *) __get_free_page(GFP_KERNEL);
|
||||
if (NULL == pbuf) {
|
||||
if (!pbuf) {
|
||||
SAM("ERROR: Could not allocate audio "
|
||||
"buffer page %i\n", k);
|
||||
return -ENOMEM;
|
||||
|
|
@ -4147,7 +4147,7 @@ static int easycap_usb_probe(struct usb_interface *pusb_interface,
|
|||
for (k = 0; k < AUDIO_ISOC_BUFFER_MANY; k++) {
|
||||
pbuf = (void *)__get_free_pages(GFP_KERNEL,
|
||||
AUDIO_ISOC_ORDER);
|
||||
if (NULL == pbuf) {
|
||||
if (!pbuf) {
|
||||
SAM("ERROR: Could not allocate isoc audio buffer "
|
||||
"%i\n", k);
|
||||
return -ENOMEM;
|
||||
|
|
@ -4177,7 +4177,7 @@ static int easycap_usb_probe(struct usb_interface *pusb_interface,
|
|||
for (k = 0; k < AUDIO_ISOC_BUFFER_MANY; k++) {
|
||||
purb = usb_alloc_urb(peasycap->audio_isoc_framesperdesc,
|
||||
GFP_KERNEL);
|
||||
if (NULL == purb) {
|
||||
if (!purb) {
|
||||
SAM("ERROR: usb_alloc_urb returned NULL for buffer "
|
||||
"%i\n", k);
|
||||
return -ENOMEM;
|
||||
|
|
@ -4185,7 +4185,7 @@ static int easycap_usb_probe(struct usb_interface *pusb_interface,
|
|||
peasycap->allocation_audio_urb += 1 ;
|
||||
/* - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - */
|
||||
pdata_urb = kzalloc(sizeof(struct data_urb), GFP_KERNEL);
|
||||
if (NULL == pdata_urb) {
|
||||
if (!pdata_urb) {
|
||||
SAM("ERROR: Could not allocate struct data_urb.\n");
|
||||
return -ENOMEM;
|
||||
}
|
||||
|
|
@ -4339,12 +4339,12 @@ static void easycap_usb_disconnect(struct usb_interface *pusb_interface)
|
|||
JOT(4, "\n");
|
||||
|
||||
pusb_host_interface = pusb_interface->cur_altsetting;
|
||||
if (NULL == pusb_host_interface) {
|
||||
if (!pusb_host_interface) {
|
||||
JOT(4, "ERROR: pusb_host_interface is NULL\n");
|
||||
return;
|
||||
}
|
||||
pusb_interface_descriptor = &(pusb_host_interface->desc);
|
||||
if (NULL == pusb_interface_descriptor) {
|
||||
if (!pusb_interface_descriptor) {
|
||||
JOT(4, "ERROR: pusb_interface_descriptor is NULL\n");
|
||||
return;
|
||||
}
|
||||
|
|
@ -4356,7 +4356,7 @@ static void easycap_usb_disconnect(struct usb_interface *pusb_interface)
|
|||
return;
|
||||
|
||||
peasycap = usb_get_intfdata(pusb_interface);
|
||||
if (NULL == peasycap) {
|
||||
if (!peasycap) {
|
||||
SAY("ERROR: peasycap is NULL\n");
|
||||
return;
|
||||
}
|
||||
|
|
@ -4372,7 +4372,7 @@ static void easycap_usb_disconnect(struct usb_interface *pusb_interface)
|
|||
/*---------------------------------------------------------------------------*/
|
||||
if (memcmp(&peasycap->telltale[0], TELLTALE, strlen(TELLTALE))) {
|
||||
pv4l2_device = usb_get_intfdata(pusb_interface);
|
||||
if (NULL == pv4l2_device) {
|
||||
if (!pv4l2_device) {
|
||||
SAY("ERROR: pv4l2_device is NULL\n");
|
||||
return;
|
||||
}
|
||||
|
|
@ -4398,14 +4398,14 @@ static void easycap_usb_disconnect(struct usb_interface *pusb_interface)
|
|||
/*---------------------------------------------------------------------------*/
|
||||
switch (bInterfaceNumber) {
|
||||
case 0: {
|
||||
if (NULL != peasycap->purb_video_head) {
|
||||
if (peasycap->purb_video_head) {
|
||||
JOM(4, "killing video urbs\n");
|
||||
m = 0;
|
||||
list_for_each(plist_head, peasycap->purb_video_head) {
|
||||
pdata_urb = list_entry(plist_head,
|
||||
struct data_urb, list_head);
|
||||
if (NULL != pdata_urb) {
|
||||
if (NULL != pdata_urb->purb) {
|
||||
if (pdata_urb) {
|
||||
if (pdata_urb->purb) {
|
||||
usb_kill_urb(pdata_urb->purb);
|
||||
m++;
|
||||
}
|
||||
|
|
@ -4417,14 +4417,14 @@ static void easycap_usb_disconnect(struct usb_interface *pusb_interface)
|
|||
}
|
||||
/*---------------------------------------------------------------------------*/
|
||||
case 2: {
|
||||
if (NULL != peasycap->purb_audio_head) {
|
||||
if (peasycap->purb_audio_head) {
|
||||
JOM(4, "killing audio urbs\n");
|
||||
m = 0;
|
||||
list_for_each(plist_head, peasycap->purb_audio_head) {
|
||||
pdata_urb = list_entry(plist_head,
|
||||
struct data_urb, list_head);
|
||||
if (NULL != pdata_urb) {
|
||||
if (NULL != pdata_urb->purb) {
|
||||
if (pdata_urb) {
|
||||
if (pdata_urb->purb) {
|
||||
usb_kill_urb(pdata_urb->purb);
|
||||
m++;
|
||||
}
|
||||
|
|
@ -4464,7 +4464,7 @@ static void easycap_usb_disconnect(struct usb_interface *pusb_interface)
|
|||
}
|
||||
/*---------------------------------------------------------------------------*/
|
||||
#ifndef EASYCAP_IS_VIDEODEV_CLIENT
|
||||
if (NULL == peasycap) {
|
||||
if (!peasycap) {
|
||||
SAM("ERROR: peasycap has become NULL\n");
|
||||
} else {
|
||||
usb_deregister_dev(pusb_interface, &easycap_class);
|
||||
|
|
|
|||
|
|
@ -83,12 +83,12 @@ easycap_alsa_complete(struct urb *purb)
|
|||
|
||||
JOT(16, "\n");
|
||||
|
||||
if (NULL == purb) {
|
||||
if (!purb) {
|
||||
SAY("ERROR: purb is NULL\n");
|
||||
return;
|
||||
}
|
||||
peasycap = purb->context;
|
||||
if (NULL == peasycap) {
|
||||
if (!peasycap) {
|
||||
SAY("ERROR: peasycap is NULL\n");
|
||||
return;
|
||||
}
|
||||
|
|
@ -105,10 +105,10 @@ easycap_alsa_complete(struct urb *purb)
|
|||
}
|
||||
/*---------------------------------------------------------------------------*/
|
||||
pss = peasycap->psubstream;
|
||||
if (NULL == pss)
|
||||
if (!pss)
|
||||
goto resubmit;
|
||||
prt = pss->runtime;
|
||||
if (NULL == prt)
|
||||
if (!prt)
|
||||
goto resubmit;
|
||||
dma_bytes = (int)prt->dma_bytes;
|
||||
if (0 == dma_bytes)
|
||||
|
|
@ -294,23 +294,23 @@ static int easycap_alsa_open(struct snd_pcm_substream *pss)
|
|||
struct easycap *peasycap;
|
||||
|
||||
JOT(4, "\n");
|
||||
if (NULL == pss) {
|
||||
if (!pss) {
|
||||
SAY("ERROR: pss is NULL\n");
|
||||
return -EFAULT;
|
||||
}
|
||||
psnd_pcm = pss->pcm;
|
||||
if (NULL == psnd_pcm) {
|
||||
if (!psnd_pcm) {
|
||||
SAY("ERROR: psnd_pcm is NULL\n");
|
||||
return -EFAULT;
|
||||
}
|
||||
psnd_card = psnd_pcm->card;
|
||||
if (NULL == psnd_card) {
|
||||
if (!psnd_card) {
|
||||
SAY("ERROR: psnd_card is NULL\n");
|
||||
return -EFAULT;
|
||||
}
|
||||
|
||||
peasycap = psnd_card->private_data;
|
||||
if (NULL == peasycap) {
|
||||
if (!peasycap) {
|
||||
SAY("ERROR: peasycap is NULL\n");
|
||||
return -EFAULT;
|
||||
}
|
||||
|
|
@ -322,7 +322,7 @@ static int easycap_alsa_open(struct snd_pcm_substream *pss)
|
|||
SAM("ERROR: bad peasycap->psnd_card\n");
|
||||
return -EFAULT;
|
||||
}
|
||||
if (NULL != peasycap->psubstream) {
|
||||
if (peasycap->psubstream) {
|
||||
SAM("ERROR: bad peasycap->psubstream\n");
|
||||
return -EFAULT;
|
||||
}
|
||||
|
|
@ -345,12 +345,12 @@ static int easycap_alsa_close(struct snd_pcm_substream *pss)
|
|||
struct easycap *peasycap;
|
||||
|
||||
JOT(4, "\n");
|
||||
if (NULL == pss) {
|
||||
if (!pss) {
|
||||
SAY("ERROR: pss is NULL\n");
|
||||
return -EFAULT;
|
||||
}
|
||||
peasycap = snd_pcm_substream_chip(pss);
|
||||
if (NULL == peasycap) {
|
||||
if (!peasycap) {
|
||||
SAY("ERROR: peasycap is NULL\n");
|
||||
return -EFAULT;
|
||||
}
|
||||
|
|
@ -369,12 +369,12 @@ static int easycap_alsa_vmalloc(struct snd_pcm_substream *pss, size_t sz)
|
|||
struct snd_pcm_runtime *prt;
|
||||
JOT(4, "\n");
|
||||
|
||||
if (NULL == pss) {
|
||||
if (!pss) {
|
||||
SAY("ERROR: pss is NULL\n");
|
||||
return -EFAULT;
|
||||
}
|
||||
prt = pss->runtime;
|
||||
if (NULL == prt) {
|
||||
if (!prt) {
|
||||
SAY("ERROR: substream.runtime is NULL\n");
|
||||
return -EFAULT;
|
||||
}
|
||||
|
|
@ -384,7 +384,7 @@ static int easycap_alsa_vmalloc(struct snd_pcm_substream *pss, size_t sz)
|
|||
vfree(prt->dma_area);
|
||||
}
|
||||
prt->dma_area = vmalloc(sz);
|
||||
if (NULL == prt->dma_area)
|
||||
if (!prt->dma_area)
|
||||
return -ENOMEM;
|
||||
prt->dma_bytes = sz;
|
||||
return 0;
|
||||
|
|
@ -396,7 +396,7 @@ static int easycap_alsa_hw_params(struct snd_pcm_substream *pss,
|
|||
int rc;
|
||||
|
||||
JOT(4, "%i\n", (params_buffer_bytes(phw)));
|
||||
if (NULL == pss) {
|
||||
if (!pss) {
|
||||
SAY("ERROR: pss is NULL\n");
|
||||
return -EFAULT;
|
||||
}
|
||||
|
|
@ -411,16 +411,16 @@ static int easycap_alsa_hw_free(struct snd_pcm_substream *pss)
|
|||
struct snd_pcm_runtime *prt;
|
||||
JOT(4, "\n");
|
||||
|
||||
if (NULL == pss) {
|
||||
if (!pss) {
|
||||
SAY("ERROR: pss is NULL\n");
|
||||
return -EFAULT;
|
||||
}
|
||||
prt = pss->runtime;
|
||||
if (NULL == prt) {
|
||||
if (!prt) {
|
||||
SAY("ERROR: substream.runtime is NULL\n");
|
||||
return -EFAULT;
|
||||
}
|
||||
if (NULL != prt->dma_area) {
|
||||
if (prt->dma_area) {
|
||||
JOT(8, "prt->dma_area = %p\n", prt->dma_area);
|
||||
vfree(prt->dma_area);
|
||||
prt->dma_area = NULL;
|
||||
|
|
@ -435,13 +435,13 @@ static int easycap_alsa_prepare(struct snd_pcm_substream *pss)
|
|||
struct snd_pcm_runtime *prt;
|
||||
|
||||
JOT(4, "\n");
|
||||
if (NULL == pss) {
|
||||
if (!pss) {
|
||||
SAY("ERROR: pss is NULL\n");
|
||||
return -EFAULT;
|
||||
}
|
||||
prt = pss->runtime;
|
||||
peasycap = snd_pcm_substream_chip(pss);
|
||||
if (NULL == peasycap) {
|
||||
if (!peasycap) {
|
||||
SAY("ERROR: peasycap is NULL\n");
|
||||
return -EFAULT;
|
||||
}
|
||||
|
|
@ -483,12 +483,12 @@ static int easycap_alsa_trigger(struct snd_pcm_substream *pss, int cmd)
|
|||
|
||||
JOT(4, "%i=cmd cf %i=START %i=STOP\n", cmd, SNDRV_PCM_TRIGGER_START,
|
||||
SNDRV_PCM_TRIGGER_STOP);
|
||||
if (NULL == pss) {
|
||||
if (!pss) {
|
||||
SAY("ERROR: pss is NULL\n");
|
||||
return -EFAULT;
|
||||
}
|
||||
peasycap = snd_pcm_substream_chip(pss);
|
||||
if (NULL == peasycap) {
|
||||
if (!peasycap) {
|
||||
SAY("ERROR: peasycap is NULL\n");
|
||||
return -EFAULT;
|
||||
}
|
||||
|
|
@ -518,12 +518,12 @@ static snd_pcm_uframes_t easycap_alsa_pointer(struct snd_pcm_substream *pss)
|
|||
snd_pcm_uframes_t offset;
|
||||
|
||||
JOT(16, "\n");
|
||||
if (NULL == pss) {
|
||||
if (!pss) {
|
||||
SAY("ERROR: pss is NULL\n");
|
||||
return -EFAULT;
|
||||
}
|
||||
peasycap = snd_pcm_substream_chip(pss);
|
||||
if (NULL == peasycap) {
|
||||
if (!peasycap) {
|
||||
SAY("ERROR: peasycap is NULL\n");
|
||||
return -EFAULT;
|
||||
}
|
||||
|
|
@ -584,7 +584,7 @@ int easycap_alsa_probe(struct easycap *peasycap)
|
|||
struct snd_card *psnd_card;
|
||||
struct snd_pcm *psnd_pcm;
|
||||
|
||||
if (NULL == peasycap) {
|
||||
if (!peasycap) {
|
||||
SAY("ERROR: peasycap is NULL\n");
|
||||
return -ENODEV;
|
||||
}
|
||||
|
|
@ -669,11 +669,11 @@ easycap_sound_setup(struct easycap *peasycap)
|
|||
|
||||
JOM(4, "starting initialization\n");
|
||||
|
||||
if (NULL == peasycap) {
|
||||
if (!peasycap) {
|
||||
SAY("ERROR: peasycap is NULL.\n");
|
||||
return -EFAULT;
|
||||
}
|
||||
if (NULL == peasycap->pusb_device) {
|
||||
if (!peasycap->pusb_device) {
|
||||
SAM("ERROR: peasycap->pusb_device is NULL\n");
|
||||
return -ENODEV;
|
||||
}
|
||||
|
|
@ -682,12 +682,12 @@ easycap_sound_setup(struct easycap *peasycap)
|
|||
rc = audio_setup(peasycap);
|
||||
JOM(8, "audio_setup() returned %i\n", rc);
|
||||
|
||||
if (NULL == peasycap->pusb_device) {
|
||||
if (!peasycap->pusb_device) {
|
||||
SAM("ERROR: peasycap->pusb_device has become NULL\n");
|
||||
return -ENODEV;
|
||||
}
|
||||
/*---------------------------------------------------------------------------*/
|
||||
if (NULL == peasycap->pusb_device) {
|
||||
if (!peasycap->pusb_device) {
|
||||
SAM("ERROR: peasycap->pusb_device has become NULL\n");
|
||||
return -ENODEV;
|
||||
}
|
||||
|
|
@ -725,15 +725,15 @@ submit_audio_urbs(struct easycap *peasycap)
|
|||
int j, isbad, nospc, m, rc;
|
||||
int isbuf;
|
||||
|
||||
if (NULL == peasycap) {
|
||||
if (!peasycap) {
|
||||
SAY("ERROR: peasycap is NULL\n");
|
||||
return -EFAULT;
|
||||
}
|
||||
if (NULL == peasycap->purb_audio_head) {
|
||||
if (!peasycap->purb_audio_head) {
|
||||
SAM("ERROR: peasycap->urb_audio_head uninitialized\n");
|
||||
return -EFAULT;
|
||||
}
|
||||
if (NULL == peasycap->pusb_device) {
|
||||
if (!peasycap->pusb_device) {
|
||||
SAM("ERROR: peasycap->pusb_device is NULL\n");
|
||||
return -EFAULT;
|
||||
}
|
||||
|
|
@ -751,9 +751,9 @@ submit_audio_urbs(struct easycap *peasycap)
|
|||
m = 0;
|
||||
list_for_each(plist_head, (peasycap->purb_audio_head)) {
|
||||
pdata_urb = list_entry(plist_head, struct data_urb, list_head);
|
||||
if (NULL != pdata_urb) {
|
||||
if (pdata_urb) {
|
||||
purb = pdata_urb->purb;
|
||||
if (NULL != purb) {
|
||||
if (purb) {
|
||||
isbuf = pdata_urb->isbuf;
|
||||
|
||||
purb->interval = 1;
|
||||
|
|
@ -801,9 +801,9 @@ submit_audio_urbs(struct easycap *peasycap)
|
|||
JOM(4, "attempting cleanup instead of submitting\n");
|
||||
list_for_each(plist_head, (peasycap->purb_audio_head)) {
|
||||
pdata_urb = list_entry(plist_head, struct data_urb, list_head);
|
||||
if (NULL != pdata_urb) {
|
||||
if (pdata_urb) {
|
||||
purb = pdata_urb->purb;
|
||||
if (NULL != purb)
|
||||
if (purb)
|
||||
usb_kill_urb(purb);
|
||||
}
|
||||
}
|
||||
|
|
@ -830,19 +830,19 @@ kill_audio_urbs(struct easycap *peasycap)
|
|||
struct list_head *plist_head;
|
||||
struct data_urb *pdata_urb;
|
||||
|
||||
if (NULL == peasycap) {
|
||||
if (!peasycap) {
|
||||
SAY("ERROR: peasycap is NULL\n");
|
||||
return -EFAULT;
|
||||
}
|
||||
if (peasycap->audio_isoc_streaming) {
|
||||
if (NULL != peasycap->purb_audio_head) {
|
||||
if (peasycap->purb_audio_head) {
|
||||
peasycap->audio_isoc_streaming = 0;
|
||||
JOM(4, "killing audio urbs\n");
|
||||
m = 0;
|
||||
list_for_each(plist_head, (peasycap->purb_audio_head)) {
|
||||
pdata_urb = list_entry(plist_head, struct data_urb, list_head);
|
||||
if (NULL != pdata_urb) {
|
||||
if (NULL != pdata_urb->purb) {
|
||||
if (pdata_urb) {
|
||||
if (pdata_urb->purb) {
|
||||
usb_kill_urb(pdata_urb->purb);
|
||||
m++;
|
||||
}
|
||||
|
|
|
|||
|
|
@ -63,12 +63,12 @@ easyoss_complete(struct urb *purb)
|
|||
|
||||
JOT(16, "\n");
|
||||
|
||||
if (NULL == purb) {
|
||||
if (!purb) {
|
||||
SAY("ERROR: purb is NULL\n");
|
||||
return;
|
||||
}
|
||||
peasycap = purb->context;
|
||||
if (NULL == peasycap) {
|
||||
if (!peasycap) {
|
||||
SAY("ERROR: peasycap is NULL\n");
|
||||
return;
|
||||
}
|
||||
|
|
@ -288,13 +288,13 @@ static int easyoss_open(struct inode *inode, struct file *file)
|
|||
subminor = iminor(inode);
|
||||
|
||||
pusb_interface = usb_find_interface(&easycap_usb_driver, subminor);
|
||||
if (NULL == pusb_interface) {
|
||||
if (!pusb_interface) {
|
||||
SAY("ERROR: pusb_interface is NULL\n");
|
||||
SAY("ending unsuccessfully\n");
|
||||
return -1;
|
||||
}
|
||||
peasycap = usb_get_intfdata(pusb_interface);
|
||||
if (NULL == peasycap) {
|
||||
if (!peasycap) {
|
||||
SAY("ERROR: peasycap is NULL\n");
|
||||
SAY("ending unsuccessfully\n");
|
||||
return -1;
|
||||
|
|
@ -311,7 +311,7 @@ static int easyoss_open(struct inode *inode, struct file *file)
|
|||
/*---------------------------------------------------------------------------*/
|
||||
if (memcmp(&peasycap->telltale[0], TELLTALE, strlen(TELLTALE))) {
|
||||
pv4l2_device = usb_get_intfdata(pusb_interface);
|
||||
if (NULL == pv4l2_device) {
|
||||
if (!pv4l2_device) {
|
||||
SAY("ERROR: pv4l2_device is NULL\n");
|
||||
return -EFAULT;
|
||||
}
|
||||
|
|
@ -343,7 +343,7 @@ static int easyoss_release(struct inode *inode, struct file *file)
|
|||
JOT(4, "begins\n");
|
||||
|
||||
peasycap = file->private_data;
|
||||
if (NULL == peasycap) {
|
||||
if (!peasycap) {
|
||||
SAY("ERROR: peasycap is NULL.\n");
|
||||
return -EFAULT;
|
||||
}
|
||||
|
|
@ -385,12 +385,12 @@ static ssize_t easyoss_read(struct file *file, char __user *puserspacebuffer,
|
|||
|
||||
JOT(8, "%5zd=kount %5lld=*poff\n", kount, *poff);
|
||||
|
||||
if (NULL == file) {
|
||||
if (!file) {
|
||||
SAY("ERROR: file is NULL\n");
|
||||
return -ERESTARTSYS;
|
||||
}
|
||||
peasycap = file->private_data;
|
||||
if (NULL == peasycap) {
|
||||
if (!peasycap) {
|
||||
SAY("ERROR in easyoss_read(): peasycap is NULL\n");
|
||||
return -EFAULT;
|
||||
}
|
||||
|
|
@ -398,7 +398,7 @@ static ssize_t easyoss_read(struct file *file, char __user *puserspacebuffer,
|
|||
SAY("ERROR: bad peasycap: %p\n", peasycap);
|
||||
return -EFAULT;
|
||||
}
|
||||
if (NULL == peasycap->pusb_device) {
|
||||
if (!peasycap->pusb_device) {
|
||||
SAY("ERROR: peasycap->pusb_device is NULL\n");
|
||||
return -EFAULT;
|
||||
}
|
||||
|
|
@ -418,13 +418,13 @@ static ssize_t easyoss_read(struct file *file, char __user *puserspacebuffer,
|
|||
*/
|
||||
if (kd != isdongle(peasycap))
|
||||
return -ERESTARTSYS;
|
||||
if (NULL == file) {
|
||||
if (!file) {
|
||||
SAY("ERROR: file is NULL\n");
|
||||
mutex_unlock(&easycapdc60_dongle[kd].mutex_audio);
|
||||
return -ERESTARTSYS;
|
||||
}
|
||||
peasycap = file->private_data;
|
||||
if (NULL == peasycap) {
|
||||
if (!peasycap) {
|
||||
SAY("ERROR: peasycap is NULL\n");
|
||||
mutex_unlock(&easycapdc60_dongle[kd].mutex_audio);
|
||||
return -ERESTARTSYS;
|
||||
|
|
@ -434,7 +434,7 @@ static ssize_t easyoss_read(struct file *file, char __user *puserspacebuffer,
|
|||
mutex_unlock(&easycapdc60_dongle[kd].mutex_audio);
|
||||
return -ERESTARTSYS;
|
||||
}
|
||||
if (NULL == peasycap->pusb_device) {
|
||||
if (!peasycap->pusb_device) {
|
||||
SAM("ERROR: peasycap->pusb_device is NULL\n");
|
||||
mutex_unlock(&easycapdc60_dongle[kd].mutex_audio);
|
||||
return -ERESTARTSYS;
|
||||
|
|
@ -459,7 +459,7 @@ static ssize_t easyoss_read(struct file *file, char __user *puserspacebuffer,
|
|||
return -EFAULT;
|
||||
}
|
||||
pdata_buffer = &peasycap->audio_buffer[peasycap->audio_read];
|
||||
if (NULL == pdata_buffer) {
|
||||
if (!pdata_buffer) {
|
||||
SAM("ERROR: pdata_buffer is NULL\n");
|
||||
mutex_unlock(&easycapdc60_dongle[kd].mutex_audio);
|
||||
return -EFAULT;
|
||||
|
|
@ -510,12 +510,12 @@ static ssize_t easyoss_read(struct file *file, char __user *puserspacebuffer,
|
|||
szret = (size_t)0;
|
||||
fragment = (peasycap->audio_read / peasycap->audio_pages_per_fragment);
|
||||
while (fragment == (peasycap->audio_read / peasycap->audio_pages_per_fragment)) {
|
||||
if (NULL == pdata_buffer->pgo) {
|
||||
if (!pdata_buffer->pgo) {
|
||||
SAM("ERROR: pdata_buffer->pgo is NULL\n");
|
||||
mutex_unlock(&easycapdc60_dongle[kd].mutex_audio);
|
||||
return -EFAULT;
|
||||
}
|
||||
if (NULL == pdata_buffer->pto) {
|
||||
if (!pdata_buffer->pto) {
|
||||
SAM("ERROR: pdata_buffer->pto is NULL\n");
|
||||
mutex_unlock(&easycapdc60_dongle[kd].mutex_audio);
|
||||
return -EFAULT;
|
||||
|
|
@ -543,17 +543,17 @@ static ssize_t easyoss_read(struct file *file, char __user *puserspacebuffer,
|
|||
return -EFAULT;
|
||||
}
|
||||
pdata_buffer = &peasycap->audio_buffer[peasycap->audio_read];
|
||||
if (NULL == pdata_buffer) {
|
||||
if (!pdata_buffer) {
|
||||
SAM("ERROR: pdata_buffer is NULL\n");
|
||||
mutex_unlock(&easycapdc60_dongle[kd].mutex_audio);
|
||||
return -EFAULT;
|
||||
}
|
||||
if (NULL == pdata_buffer->pgo) {
|
||||
if (!pdata_buffer->pgo) {
|
||||
SAM("ERROR: pdata_buffer->pgo is NULL\n");
|
||||
mutex_unlock(&easycapdc60_dongle[kd].mutex_audio);
|
||||
return -EFAULT;
|
||||
}
|
||||
if (NULL == pdata_buffer->pto) {
|
||||
if (!pdata_buffer->pto) {
|
||||
SAM("ERROR: pdata_buffer->pto is NULL\n");
|
||||
mutex_unlock(&easycapdc60_dongle[kd].mutex_audio);
|
||||
return -EFAULT;
|
||||
|
|
@ -662,12 +662,12 @@ static long easyoss_unlocked_ioctl(struct file *file,
|
|||
struct usb_device *p;
|
||||
int kd;
|
||||
|
||||
if (NULL == file) {
|
||||
if (!file) {
|
||||
SAY("ERROR: file is NULL\n");
|
||||
return -ERESTARTSYS;
|
||||
}
|
||||
peasycap = file->private_data;
|
||||
if (NULL == peasycap) {
|
||||
if (!peasycap) {
|
||||
SAY("ERROR: peasycap is NULL.\n");
|
||||
return -EFAULT;
|
||||
}
|
||||
|
|
@ -676,7 +676,7 @@ static long easyoss_unlocked_ioctl(struct file *file,
|
|||
return -EFAULT;
|
||||
}
|
||||
p = peasycap->pusb_device;
|
||||
if (NULL == p) {
|
||||
if (!p) {
|
||||
SAM("ERROR: peasycap->pusb_device is NULL\n");
|
||||
return -EFAULT;
|
||||
}
|
||||
|
|
@ -696,13 +696,13 @@ static long easyoss_unlocked_ioctl(struct file *file,
|
|||
*/
|
||||
if (kd != isdongle(peasycap))
|
||||
return -ERESTARTSYS;
|
||||
if (NULL == file) {
|
||||
if (!file) {
|
||||
SAY("ERROR: file is NULL\n");
|
||||
mutex_unlock(&easycapdc60_dongle[kd].mutex_audio);
|
||||
return -ERESTARTSYS;
|
||||
}
|
||||
peasycap = file->private_data;
|
||||
if (NULL == peasycap) {
|
||||
if (!peasycap) {
|
||||
SAY("ERROR: peasycap is NULL\n");
|
||||
mutex_unlock(&easycapdc60_dongle[kd].mutex_audio);
|
||||
return -ERESTARTSYS;
|
||||
|
|
@ -713,7 +713,7 @@ static long easyoss_unlocked_ioctl(struct file *file,
|
|||
return -EFAULT;
|
||||
}
|
||||
p = peasycap->pusb_device;
|
||||
if (NULL == peasycap->pusb_device) {
|
||||
if (!peasycap->pusb_device) {
|
||||
SAM("ERROR: peasycap->pusb_device is NULL\n");
|
||||
mutex_unlock(&easycapdc60_dongle[kd].mutex_audio);
|
||||
return -ERESTARTSYS;
|
||||
|
|
|
|||
|
|
@ -39,7 +39,7 @@ easycap_testcard(struct easycap *peasycap, int field)
|
|||
unsigned char bfbar[TESTCARD_BYTESPERLINE / 8], *p1, *p2;
|
||||
struct data_buffer *pfield_buffer;
|
||||
|
||||
if (NULL == peasycap) {
|
||||
if (!peasycap) {
|
||||
SAY("ERROR: peasycap is NULL\n");
|
||||
return;
|
||||
}
|
||||
|
|
|
|||
Loading…
Reference in a new issue