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[AGPGART] Semaphore to Mutex conversion.

Browse source 
Semaphore to mutex conversion.

The conversion was generated via scripts, and the result was validated
automatically via a script as well.

Signed-off-by: Arjan van de Ven <arjan@infradead.org>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Dave Jones <davej@redhat.com>
This commit is contained in:
akpm@osdl.org 2006-01-13 15:51:02 -08:00 committed by Dave Jones
parent 5dda498675
commit 168678233c
2 changed files with 16 additions and 15 deletions
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28
drivers/char/agp/frontend.c
View file

@ -592,7 +592,7 @@ static int agp_mmap(struct file *file, struct vm_area_struct *vma)
struct agp_file_private *priv = file->private_data;
struct agp_kern_info kerninfo;
down(&(agp_fe.agp_mutex));
mutex_lock(&(agp_fe.agp_mutex));
if (agp_fe.backend_acquired != TRUE)
goto out_eperm;
@ -627,7 +627,7 @@ static int agp_mmap(struct file *file, struct vm_area_struct *vma)
size, vma->vm_page_prot)) {
goto out_again;
}
up(&(agp_fe.agp_mutex));
mutex_unlock(&(agp_fe.agp_mutex));
return 0;
}
@ -643,20 +643,20 @@ static int agp_mmap(struct file *file, struct vm_area_struct *vma)
size, vma->vm_page_prot)) {
goto out_again;
}
up(&(agp_fe.agp_mutex));
mutex_unlock(&(agp_fe.agp_mutex));
return 0;
}
out_eperm:
up(&(agp_fe.agp_mutex));
mutex_unlock(&(agp_fe.agp_mutex));
return -EPERM;
out_inval:
up(&(agp_fe.agp_mutex));
mutex_unlock(&(agp_fe.agp_mutex));
return -EINVAL;
out_again:
up(&(agp_fe.agp_mutex));
mutex_unlock(&(agp_fe.agp_mutex));
return -EAGAIN;
}
@ -664,7 +664,7 @@ static int agp_release(struct inode *inode, struct file *file)
{
struct agp_file_private *priv = file->private_data;
down(&(agp_fe.agp_mutex));
mutex_lock(&(agp_fe.agp_mutex));
DBG("priv=%p", priv);
@ -687,7 +687,7 @@ static int agp_release(struct inode *inode, struct file *file)
agp_remove_file_private(priv);
kfree(priv);
file->private_data = NULL;
up(&(agp_fe.agp_mutex));
mutex_unlock(&(agp_fe.agp_mutex));
return 0;
}
@ -698,7 +698,7 @@ static int agp_open(struct inode *inode, struct file *file)
struct agp_client *client;
int rc = -ENXIO;
down(&(agp_fe.agp_mutex));
mutex_lock(&(agp_fe.agp_mutex));
if (minor != AGPGART_MINOR)
goto err_out;
@ -723,13 +723,13 @@ static int agp_open(struct inode *inode, struct file *file)
file->private_data = (void *) priv;
agp_insert_file_private(priv);
DBG("private=%p, client=%p", priv, client);
up(&(agp_fe.agp_mutex));
mutex_unlock(&(agp_fe.agp_mutex));
return 0;
err_out_nomem:
rc = -ENOMEM;
err_out:
up(&(agp_fe.agp_mutex));
mutex_unlock(&(agp_fe.agp_mutex));
return rc;
}
@ -985,7 +985,7 @@ static int agp_ioctl(struct inode *inode, struct file *file,
int ret_val = -ENOTTY;
DBG("priv=%p, cmd=%x", curr_priv, cmd);
down(&(agp_fe.agp_mutex));
mutex_lock(&(agp_fe.agp_mutex));
if ((agp_fe.current_controller == NULL) &&
(cmd != AGPIOC_ACQUIRE)) {
@ -1055,7 +1055,7 @@ static int agp_ioctl(struct inode *inode, struct file *file,
ioctl_out:
DBG("ioctl returns %d\n", ret_val);
up(&(agp_fe.agp_mutex));
mutex_unlock(&(agp_fe.agp_mutex));
return ret_val;
}
@ -1081,7 +1081,7 @@ static struct miscdevice agp_miscdev =
int agp_frontend_initialize(void)
{
memset(&agp_fe, 0, sizeof(struct agp_front_data));
sema_init(&(agp_fe.agp_mutex), 1);
mutex_init(&(agp_fe.agp_mutex));
if (misc_register(&agp_miscdev)) {
printk(KERN_ERR PFX "unable to get minor: %d\n", AGPGART_MINOR);

3
include/linux/agpgart.h
View file

@ -111,6 +111,7 @@ typedef struct _agp_unbind {
} agp_unbind;
#else /* __KERNEL__ */
#include <linux/mutex.h>
#define AGPGART_MINOR 175
@ -201,7 +202,7 @@ struct agp_file_private {
};
struct agp_front_data {
struct semaphore agp_mutex;
struct mutex agp_mutex;
struct agp_controller *current_controller;
struct agp_controller *controllers;
struct agp_file_private *file_priv_list;