mirror of
https://github.com/torvalds/linux
synced 2024-09-06 18:01:05 +00:00
dvb: Push down BKL into ioctl functions
This requires changing all users of dvb_usercopy to omit the inode argument. Signed-off-by: Arnd Bergmann <arnd@arndb.de> Signed-off-by: Frederic Weisbecker <fweisbec@gmail.com>
This commit is contained in:
parent
ce8273a573
commit
16ef8def80
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@ -25,6 +25,7 @@
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#include <linux/slab.h>
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#include <linux/vmalloc.h>
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#include <linux/module.h>
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#include <linux/smp_lock.h>
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#include <linux/poll.h>
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#include <linux/ioctl.h>
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#include <linux/wait.h>
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@ -963,7 +964,7 @@ dvb_demux_read(struct file *file, char __user *buf, size_t count,
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return ret;
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}
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static int dvb_demux_do_ioctl(struct inode *inode, struct file *file,
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static int dvb_demux_do_ioctl(struct file *file,
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unsigned int cmd, void *parg)
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{
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struct dmxdev_filter *dmxdevfilter = file->private_data;
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@ -1084,10 +1085,16 @@ static int dvb_demux_do_ioctl(struct inode *inode, struct file *file,
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return ret;
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}
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static int dvb_demux_ioctl(struct inode *inode, struct file *file,
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unsigned int cmd, unsigned long arg)
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static long dvb_demux_ioctl(struct file *file, unsigned int cmd,
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unsigned long arg)
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{
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return dvb_usercopy(inode, file, cmd, arg, dvb_demux_do_ioctl);
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int ret;
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lock_kernel();
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ret = dvb_usercopy(file, cmd, arg, dvb_demux_do_ioctl);
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unlock_kernel();
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return ret;
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}
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static unsigned int dvb_demux_poll(struct file *file, poll_table *wait)
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@ -1139,7 +1146,7 @@ static int dvb_demux_release(struct inode *inode, struct file *file)
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static const struct file_operations dvb_demux_fops = {
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.owner = THIS_MODULE,
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.read = dvb_demux_read,
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.ioctl = dvb_demux_ioctl,
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.unlocked_ioctl = dvb_demux_ioctl,
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.open = dvb_demux_open,
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.release = dvb_demux_release,
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.poll = dvb_demux_poll,
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@ -1152,7 +1159,7 @@ static struct dvb_device dvbdev_demux = {
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.fops = &dvb_demux_fops
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};
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static int dvb_dvr_do_ioctl(struct inode *inode, struct file *file,
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static int dvb_dvr_do_ioctl(struct file *file,
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unsigned int cmd, void *parg)
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{
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struct dvb_device *dvbdev = file->private_data;
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@ -1176,10 +1183,16 @@ static int dvb_dvr_do_ioctl(struct inode *inode, struct file *file,
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return ret;
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}
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static int dvb_dvr_ioctl(struct inode *inode, struct file *file,
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static long dvb_dvr_ioctl(struct file *file,
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unsigned int cmd, unsigned long arg)
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{
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return dvb_usercopy(inode, file, cmd, arg, dvb_dvr_do_ioctl);
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int ret;
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lock_kernel();
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ret = dvb_usercopy(file, cmd, arg, dvb_dvr_do_ioctl);
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unlock_kernel();
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return ret;
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}
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static unsigned int dvb_dvr_poll(struct file *file, poll_table *wait)
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@ -1208,7 +1221,7 @@ static const struct file_operations dvb_dvr_fops = {
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.owner = THIS_MODULE,
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.read = dvb_dvr_read,
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.write = dvb_dvr_write,
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.ioctl = dvb_dvr_ioctl,
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.unlocked_ioctl = dvb_dvr_ioctl,
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.open = dvb_dvr_open,
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.release = dvb_dvr_release,
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.poll = dvb_dvr_poll,
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@ -36,6 +36,7 @@
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#include <linux/delay.h>
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#include <linux/spinlock.h>
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#include <linux/sched.h>
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#include <linux/smp_lock.h>
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#include <linux/kthread.h>
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#include "dvb_ca_en50221.h"
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@ -1181,7 +1182,7 @@ static int dvb_ca_en50221_thread(void *data)
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*
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* @return 0 on success, <0 on error.
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*/
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static int dvb_ca_en50221_io_do_ioctl(struct inode *inode, struct file *file,
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static int dvb_ca_en50221_io_do_ioctl(struct file *file,
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unsigned int cmd, void *parg)
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{
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struct dvb_device *dvbdev = file->private_data;
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@ -1255,10 +1256,16 @@ static int dvb_ca_en50221_io_do_ioctl(struct inode *inode, struct file *file,
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*
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* @return 0 on success, <0 on error.
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*/
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static int dvb_ca_en50221_io_ioctl(struct inode *inode, struct file *file,
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unsigned int cmd, unsigned long arg)
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static long dvb_ca_en50221_io_ioctl(struct file *file,
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unsigned int cmd, unsigned long arg)
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{
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return dvb_usercopy(inode, file, cmd, arg, dvb_ca_en50221_io_do_ioctl);
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int ret;
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lock_kernel();
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ret = dvb_usercopy(file, cmd, arg, dvb_ca_en50221_io_do_ioctl);
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unlock_kernel();
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return ret;
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}
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@ -1611,7 +1618,7 @@ static const struct file_operations dvb_ca_fops = {
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.owner = THIS_MODULE,
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.read = dvb_ca_en50221_io_read,
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.write = dvb_ca_en50221_io_write,
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.ioctl = dvb_ca_en50221_io_ioctl,
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.unlocked_ioctl = dvb_ca_en50221_io_ioctl,
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.open = dvb_ca_en50221_io_open,
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.release = dvb_ca_en50221_io_release,
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.poll = dvb_ca_en50221_io_poll,
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@ -36,6 +36,7 @@
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#include <linux/list.h>
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#include <linux/freezer.h>
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#include <linux/jiffies.h>
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#include <linux/smp_lock.h>
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#include <linux/kthread.h>
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#include <asm/processor.h>
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@ -1188,14 +1189,14 @@ static void dtv_property_cache_submit(struct dvb_frontend *fe)
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}
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}
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static int dvb_frontend_ioctl_legacy(struct inode *inode, struct file *file,
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static int dvb_frontend_ioctl_legacy(struct file *file,
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unsigned int cmd, void *parg);
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static int dvb_frontend_ioctl_properties(struct inode *inode, struct file *file,
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static int dvb_frontend_ioctl_properties(struct file *file,
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unsigned int cmd, void *parg);
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static int dtv_property_process_get(struct dvb_frontend *fe,
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struct dtv_property *tvp,
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struct inode *inode, struct file *file)
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struct file *file)
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{
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int r = 0;
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@ -1328,7 +1329,6 @@ static int dtv_property_process_get(struct dvb_frontend *fe,
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static int dtv_property_process_set(struct dvb_frontend *fe,
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struct dtv_property *tvp,
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struct inode *inode,
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struct file *file)
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{
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int r = 0;
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@ -1359,7 +1359,7 @@ static int dtv_property_process_set(struct dvb_frontend *fe,
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dprintk("%s() Finalised property cache\n", __func__);
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dtv_property_cache_submit(fe);
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r |= dvb_frontend_ioctl_legacy(inode, file, FE_SET_FRONTEND,
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r |= dvb_frontend_ioctl_legacy(file, FE_SET_FRONTEND,
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&fepriv->parameters);
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break;
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case DTV_FREQUENCY:
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@ -1391,12 +1391,12 @@ static int dtv_property_process_set(struct dvb_frontend *fe,
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break;
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case DTV_VOLTAGE:
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fe->dtv_property_cache.voltage = tvp->u.data;
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r = dvb_frontend_ioctl_legacy(inode, file, FE_SET_VOLTAGE,
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r = dvb_frontend_ioctl_legacy(file, FE_SET_VOLTAGE,
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(void *)fe->dtv_property_cache.voltage);
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break;
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case DTV_TONE:
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fe->dtv_property_cache.sectone = tvp->u.data;
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r = dvb_frontend_ioctl_legacy(inode, file, FE_SET_TONE,
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r = dvb_frontend_ioctl_legacy(file, FE_SET_TONE,
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(void *)fe->dtv_property_cache.sectone);
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break;
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case DTV_CODE_RATE_HP:
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@ -1480,7 +1480,7 @@ static int dtv_property_process_set(struct dvb_frontend *fe,
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return r;
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}
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static int dvb_frontend_ioctl(struct inode *inode, struct file *file,
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static int dvb_frontend_ioctl(struct file *file,
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unsigned int cmd, void *parg)
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{
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struct dvb_device *dvbdev = file->private_data;
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@ -1502,17 +1502,17 @@ static int dvb_frontend_ioctl(struct inode *inode, struct file *file,
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return -ERESTARTSYS;
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if ((cmd == FE_SET_PROPERTY) || (cmd == FE_GET_PROPERTY))
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err = dvb_frontend_ioctl_properties(inode, file, cmd, parg);
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err = dvb_frontend_ioctl_properties(file, cmd, parg);
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else {
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fe->dtv_property_cache.state = DTV_UNDEFINED;
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err = dvb_frontend_ioctl_legacy(inode, file, cmd, parg);
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err = dvb_frontend_ioctl_legacy(file, cmd, parg);
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}
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up(&fepriv->sem);
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return err;
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}
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static int dvb_frontend_ioctl_properties(struct inode *inode, struct file *file,
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static int dvb_frontend_ioctl_properties(struct file *file,
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unsigned int cmd, void *parg)
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{
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struct dvb_device *dvbdev = file->private_data;
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}
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for (i = 0; i < tvps->num; i++) {
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(tvp + i)->result = dtv_property_process_set(fe, tvp + i, inode, file);
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(tvp + i)->result = dtv_property_process_set(fe, tvp + i, file);
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err |= (tvp + i)->result;
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}
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}
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for (i = 0; i < tvps->num; i++) {
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(tvp + i)->result = dtv_property_process_get(fe, tvp + i, inode, file);
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(tvp + i)->result = dtv_property_process_get(fe, tvp + i, file);
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err |= (tvp + i)->result;
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}
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@ -1597,7 +1597,7 @@ static int dvb_frontend_ioctl_properties(struct inode *inode, struct file *file,
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return err;
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}
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static int dvb_frontend_ioctl_legacy(struct inode *inode, struct file *file,
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static int dvb_frontend_ioctl_legacy(struct file *file,
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unsigned int cmd, void *parg)
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{
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struct dvb_device *dvbdev = file->private_data;
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@ -2022,7 +2022,7 @@ static int dvb_frontend_release(struct inode *inode, struct file *file)
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static const struct file_operations dvb_frontend_fops = {
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.owner = THIS_MODULE,
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.ioctl = dvb_generic_ioctl,
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.unlocked_ioctl = dvb_generic_ioctl,
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.poll = dvb_frontend_poll,
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.open = dvb_frontend_open,
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.release = dvb_frontend_release
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@ -59,6 +59,7 @@
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#include <linux/netdevice.h>
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#include <linux/etherdevice.h>
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#include <linux/dvb/net.h>
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#include <linux/smp_lock.h>
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#include <linux/uio.h>
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#include <asm/uaccess.h>
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#include <linux/crc32.h>
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@ -1333,7 +1334,7 @@ static int dvb_net_remove_if(struct dvb_net *dvbnet, unsigned long num)
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return 0;
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}
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static int dvb_net_do_ioctl(struct inode *inode, struct file *file,
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static int dvb_net_do_ioctl(struct file *file,
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unsigned int cmd, void *parg)
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{
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struct dvb_device *dvbdev = file->private_data;
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@ -1435,10 +1436,16 @@ static int dvb_net_do_ioctl(struct inode *inode, struct file *file,
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return 0;
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}
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static int dvb_net_ioctl(struct inode *inode, struct file *file,
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static long dvb_net_ioctl(struct file *file,
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unsigned int cmd, unsigned long arg)
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{
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return dvb_usercopy(inode, file, cmd, arg, dvb_net_do_ioctl);
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int ret;
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lock_kernel();
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ret = dvb_usercopy(file, cmd, arg, dvb_net_do_ioctl);
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unlock_kernel();
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return ret;
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}
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static int dvb_net_close(struct inode *inode, struct file *file)
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@ -1459,7 +1466,7 @@ static int dvb_net_close(struct inode *inode, struct file *file)
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static const struct file_operations dvb_net_fops = {
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.owner = THIS_MODULE,
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.ioctl = dvb_net_ioctl,
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.unlocked_ioctl = dvb_net_ioctl,
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.open = dvb_generic_open,
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.release = dvb_net_close,
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};
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@ -154,10 +154,11 @@ int dvb_generic_release(struct inode *inode, struct file *file)
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EXPORT_SYMBOL(dvb_generic_release);
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int dvb_generic_ioctl(struct inode *inode, struct file *file,
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unsigned int cmd, unsigned long arg)
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long dvb_generic_ioctl(struct file *file,
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unsigned int cmd, unsigned long arg)
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{
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struct dvb_device *dvbdev = file->private_data;
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int ret;
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if (!dvbdev)
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return -ENODEV;
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@ -165,7 +166,11 @@ int dvb_generic_ioctl(struct inode *inode, struct file *file,
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if (!dvbdev->kernel_ioctl)
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return -EINVAL;
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return dvb_usercopy (inode, file, cmd, arg, dvbdev->kernel_ioctl);
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lock_kernel();
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ret = dvb_usercopy(file, cmd, arg, dvbdev->kernel_ioctl);
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unlock_kernel();
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return ret;
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}
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EXPORT_SYMBOL(dvb_generic_ioctl);
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define this as video_usercopy(). this will introduce a dependecy
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to the v4l "videodev.o" module, which is unnecessary for some
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cards (ie. the budget dvb-cards don't need the v4l module...) */
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int dvb_usercopy(struct inode *inode, struct file *file,
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int dvb_usercopy(struct file *file,
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unsigned int cmd, unsigned long arg,
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int (*func)(struct inode *inode, struct file *file,
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int (*func)(struct file *file,
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unsigned int cmd, void *arg))
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{
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char sbuf[128];
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@ -416,7 +421,7 @@ int dvb_usercopy(struct inode *inode, struct file *file,
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}
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/* call driver */
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if ((err = func(inode, file, cmd, parg)) == -ENOIOCTLCMD)
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if ((err = func(file, cmd, parg)) == -ENOIOCTLCMD)
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err = -EINVAL;
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if (err < 0)
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@ -116,8 +116,7 @@ struct dvb_device {
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wait_queue_head_t wait_queue;
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/* don't really need those !? -- FIXME: use video_usercopy */
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int (*kernel_ioctl)(struct inode *inode, struct file *file,
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unsigned int cmd, void *arg);
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int (*kernel_ioctl)(struct file *file, unsigned int cmd, void *arg);
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void *priv;
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};
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@ -138,17 +137,15 @@ extern void dvb_unregister_device (struct dvb_device *dvbdev);
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extern int dvb_generic_open (struct inode *inode, struct file *file);
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extern int dvb_generic_release (struct inode *inode, struct file *file);
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extern int dvb_generic_ioctl (struct inode *inode, struct file *file,
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extern long dvb_generic_ioctl (struct file *file,
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unsigned int cmd, unsigned long arg);
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/* we don't mess with video_usercopy() any more,
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we simply define out own dvb_usercopy(), which will hopefully become
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generic_usercopy() someday... */
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extern int dvb_usercopy(struct inode *inode, struct file *file,
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unsigned int cmd, unsigned long arg,
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int (*func)(struct inode *inode, struct file *file,
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unsigned int cmd, void *arg));
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extern int dvb_usercopy(struct file *file, unsigned int cmd, unsigned long arg,
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int (*func)(struct file *file, unsigned int cmd, void *arg));
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/** generic DVB attach function. */
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#ifdef CONFIG_MEDIA_ATTACH
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@ -175,8 +175,7 @@ static int fdtv_ca_send_msg(struct firedtv *fdtv, void *arg)
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return err;
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}
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static int fdtv_ca_ioctl(struct inode *inode, struct file *file,
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unsigned int cmd, void *arg)
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static int fdtv_ca_ioctl(struct file *file, unsigned int cmd, void *arg)
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{
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struct dvb_device *dvbdev = file->private_data;
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struct firedtv *fdtv = dvbdev->priv;
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@ -217,7 +216,7 @@ static unsigned int fdtv_ca_io_poll(struct file *file, poll_table *wait)
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static const struct file_operations fdtv_ca_fops = {
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.owner = THIS_MODULE,
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.ioctl = dvb_generic_ioctl,
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.unlocked_ioctl = dvb_generic_ioctl,
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.open = dvb_generic_open,
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.release = dvb_generic_release,
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||||
.poll = fdtv_ca_io_poll,
|
||||
|
|
|
@ -708,7 +708,7 @@ static void gpioirq(unsigned long cookie)
|
|||
|
||||
|
||||
#ifdef CONFIG_DVB_AV7110_OSD
|
||||
static int dvb_osd_ioctl(struct inode *inode, struct file *file,
|
||||
static int dvb_osd_ioctl(struct file *file,
|
||||
unsigned int cmd, void *parg)
|
||||
{
|
||||
struct dvb_device *dvbdev = file->private_data;
|
||||
|
@ -727,7 +727,7 @@ static int dvb_osd_ioctl(struct inode *inode, struct file *file,
|
|||
|
||||
static const struct file_operations dvb_osd_fops = {
|
||||
.owner = THIS_MODULE,
|
||||
.ioctl = dvb_generic_ioctl,
|
||||
.unlocked_ioctl = dvb_generic_ioctl,
|
||||
.open = dvb_generic_open,
|
||||
.release = dvb_generic_release,
|
||||
};
|
||||
|
|
|
@ -1089,7 +1089,7 @@ static int play_iframe(struct av7110 *av7110, char __user *buf, unsigned int len
|
|||
}
|
||||
|
||||
|
||||
static int dvb_video_ioctl(struct inode *inode, struct file *file,
|
||||
static int dvb_video_ioctl(struct file *file,
|
||||
unsigned int cmd, void *parg)
|
||||
{
|
||||
struct dvb_device *dvbdev = file->private_data;
|
||||
|
@ -1297,7 +1297,7 @@ static int dvb_video_ioctl(struct inode *inode, struct file *file,
|
|||
return ret;
|
||||
}
|
||||
|
||||
static int dvb_audio_ioctl(struct inode *inode, struct file *file,
|
||||
static int dvb_audio_ioctl(struct file *file,
|
||||
unsigned int cmd, void *parg)
|
||||
{
|
||||
struct dvb_device *dvbdev = file->private_data;
|
||||
|
@ -1517,7 +1517,7 @@ static int dvb_audio_release(struct inode *inode, struct file *file)
|
|||
static const struct file_operations dvb_video_fops = {
|
||||
.owner = THIS_MODULE,
|
||||
.write = dvb_video_write,
|
||||
.ioctl = dvb_generic_ioctl,
|
||||
.unlocked_ioctl = dvb_generic_ioctl,
|
||||
.open = dvb_video_open,
|
||||
.release = dvb_video_release,
|
||||
.poll = dvb_video_poll,
|
||||
|
@ -1535,7 +1535,7 @@ static struct dvb_device dvbdev_video = {
|
|||
static const struct file_operations dvb_audio_fops = {
|
||||
.owner = THIS_MODULE,
|
||||
.write = dvb_audio_write,
|
||||
.ioctl = dvb_generic_ioctl,
|
||||
.unlocked_ioctl = dvb_generic_ioctl,
|
||||
.open = dvb_audio_open,
|
||||
.release = dvb_audio_release,
|
||||
.poll = dvb_audio_poll,
|
||||
|
|
|
@ -248,8 +248,7 @@ static unsigned int dvb_ca_poll (struct file *file, poll_table *wait)
|
|||
return mask;
|
||||
}
|
||||
|
||||
static int dvb_ca_ioctl(struct inode *inode, struct file *file,
|
||||
unsigned int cmd, void *parg)
|
||||
static int dvb_ca_ioctl(struct file *file, unsigned int cmd, void *parg)
|
||||
{
|
||||
struct dvb_device *dvbdev = file->private_data;
|
||||
struct av7110 *av7110 = dvbdev->priv;
|
||||
|
@ -350,7 +349,7 @@ static const struct file_operations dvb_ca_fops = {
|
|||
.owner = THIS_MODULE,
|
||||
.read = dvb_ca_read,
|
||||
.write = dvb_ca_write,
|
||||
.ioctl = dvb_generic_ioctl,
|
||||
.unlocked_ioctl = dvb_generic_ioctl,
|
||||
.open = dvb_ca_open,
|
||||
.release = dvb_generic_release,
|
||||
.poll = dvb_ca_poll,
|
||||
|
|
Loading…
Reference in a new issue