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/common/saa7146_fops.c b/drivers/media/common/saa7146_fops.c
index f8cf73e..dc7fb20 100644
--- a/drivers/media/common/saa7146_fops.c
+++ b/drivers/media/common/saa7146_fops.c
@@ -17,18 +17,18 @@
}
/* is it free? */
- down(&dev->lock);
+ mutex_lock(&dev->lock);
if (vv->resources & bit) {
DEB_D(("locked! vv->resources:0x%02x, we want:0x%02x\n",vv->resources,bit));
/* no, someone else uses it */
- up(&dev->lock);
+ mutex_unlock(&dev->lock);
return 0;
}
/* it's free, grab it */
fh->resources |= bit;
vv->resources |= bit;
DEB_D(("res: get 0x%02x, cur:0x%02x\n",bit,vv->resources));
- up(&dev->lock);
+ mutex_unlock(&dev->lock);
return 1;
}
@@ -40,11 +40,11 @@
if ((fh->resources & bits) != bits)
BUG();
- down(&dev->lock);
+ mutex_lock(&dev->lock);
fh->resources &= ~bits;
vv->resources &= ~bits;
DEB_D(("res: put 0x%02x, cur:0x%02x\n",bits,vv->resources));
- up(&dev->lock);
+ mutex_unlock(&dev->lock);
}
@@ -204,7 +204,7 @@
DEB_EE(("inode:%p, file:%p, minor:%d\n",inode,file,minor));
- if (down_interruptible(&saa7146_devices_lock))
+ if (mutex_lock_interruptible(&saa7146_devices_lock))
return -ERESTARTSYS;
list_for_each(list,&saa7146_devices) {
@@ -276,7 +276,7 @@
kfree(fh);
file->private_data = NULL;
}
- up(&saa7146_devices_lock);
+ mutex_unlock(&saa7146_devices_lock);
return result;
}
@@ -287,7 +287,7 @@
DEB_EE(("inode:%p, file:%p\n",inode,file));
- if (down_interruptible(&saa7146_devices_lock))
+ if (mutex_lock_interruptible(&saa7146_devices_lock))
return -ERESTARTSYS;
if( fh->type == V4L2_BUF_TYPE_VBI_CAPTURE) {
@@ -303,7 +303,7 @@
file->private_data = NULL;
kfree(fh);
- up(&saa7146_devices_lock);
+ mutex_unlock(&saa7146_devices_lock);
return 0;
}