V4L/DVB (3318b): sem2mutex: drivers/media/, #2
Semaphore to mutex conversion.
The conversion was generated via scripts, and the result was validated
automatically via a script as well.
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
diff --git a/drivers/media/video/vino.c b/drivers/media/video/vino.c
index c8fd823..0229819 100644
--- a/drivers/media/video/vino.c
+++ b/drivers/media/video/vino.c
@@ -42,6 +42,7 @@
#include <linux/videodev.h>
#include <linux/videodev2.h>
#include <linux/video_decoder.h>
+#include <linux/mutex.h>
#include <asm/paccess.h>
#include <asm/io.h>
@@ -245,7 +246,7 @@
struct vino_framebuffer *buffer[VINO_FRAMEBUFFER_COUNT_MAX];
spinlock_t queue_lock;
- struct semaphore queue_sem;
+ struct mutex queue_mutex;
wait_queue_head_t frame_wait_queue;
};
@@ -283,7 +284,7 @@
/* the driver is currently processing the queue */
int capturing;
- struct semaphore sem;
+ struct mutex mutex;
spinlock_t capture_lock;
unsigned int users;
@@ -1131,11 +1132,11 @@
if (q->type != VINO_MEMORY_MMAP)
return;
- down(&q->queue_sem);
+ mutex_lock(&q->queue_mutex);
vino_queue_free_with_count(q, q->length);
- up(&q->queue_sem);
+ mutex_unlock(&q->queue_mutex);
}
static int vino_queue_init(struct vino_framebuffer_queue *q,
@@ -1159,7 +1160,7 @@
if (*length < 1)
return -EINVAL;
- down(&q->queue_sem);
+ mutex_lock(&q->queue_mutex);
if (*length > VINO_FRAMEBUFFER_COUNT_MAX)
*length = VINO_FRAMEBUFFER_COUNT_MAX;
@@ -1211,7 +1212,7 @@
q->magic = VINO_QUEUE_MAGIC;
}
- up(&q->queue_sem);
+ mutex_unlock(&q->queue_mutex);
return ret;
}
@@ -4045,7 +4046,7 @@
dprintk("open(): channel = %c\n",
(vcs->channel == VINO_CHANNEL_A) ? 'A' : 'B');
- down(&vcs->sem);
+ mutex_lock(&vcs->mutex);
if (vcs->users) {
dprintk("open(): driver busy\n");
@@ -4062,7 +4063,7 @@
vcs->users++;
out:
- up(&vcs->sem);
+ mutex_unlock(&vcs->mutex);
dprintk("open(): %s!\n", ret ? "failed" : "complete");
@@ -4075,7 +4076,7 @@
struct vino_channel_settings *vcs = video_get_drvdata(dev);
dprintk("close():\n");
- down(&vcs->sem);
+ mutex_lock(&vcs->mutex);
vcs->users--;
@@ -4087,7 +4088,7 @@
vino_queue_free(&vcs->fb_queue);
}
- up(&vcs->sem);
+ mutex_unlock(&vcs->mutex);
return 0;
}
@@ -4130,7 +4131,7 @@
// TODO: reject mmap if already mapped
- if (down_interruptible(&vcs->sem))
+ if (mutex_lock_interruptible(&vcs->mutex))
return -EINTR;
if (vcs->reading) {
@@ -4214,7 +4215,7 @@
vma->vm_ops = &vino_vm_ops;
out:
- up(&vcs->sem);
+ mutex_unlock(&vcs->mutex);
return ret;
}
@@ -4374,12 +4375,12 @@
struct vino_channel_settings *vcs = video_get_drvdata(dev);
int ret;
- if (down_interruptible(&vcs->sem))
+ if (mutex_lock_interruptible(&vcs->mutex))
return -EINTR;
ret = video_usercopy(inode, file, cmd, arg, vino_do_ioctl);
- up(&vcs->sem);
+ mutex_unlock(&vcs->mutex);
return ret;
}
@@ -4564,10 +4565,10 @@
vcs->capturing = 0;
- init_MUTEX(&vcs->sem);
+ mutex_init(&vcs->mutex);
spin_lock_init(&vcs->capture_lock);
- init_MUTEX(&vcs->fb_queue.queue_sem);
+ mutex_init(&vcs->fb_queue.queue_mutex);
spin_lock_init(&vcs->fb_queue.queue_lock);
init_waitqueue_head(&vcs->fb_queue.frame_wait_queue);