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Commit fb62a595 authored by Mauro Carvalho Chehab's avatar Mauro Carvalho Chehab
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V4L/DVB (7122): saa7134-empress: Remove back lock 



videobuf functions at close() method already locks videobuf. It makes no sense
to keep the locking at empress close() method.

There is also a lock at open() method. I'm not sure if it is safe to remove the
locking there.

Signed-off-by: default avatarMauro Carvalho Chehab <mchehab@infradead.org>
parent 64f9477f

drivers/media/video/saa7134/saa7134-empress.c

+0 −2
Original line number Diff line number Diff line
@@ -110,7 +110,6 @@ static int ts_release(struct inode *inode, struct file *file) 
{

	struct saa7134_dev *dev = file->private_data;



	mutex_lock(&dev->empress_tsq.vb_lock);

	videobuf_stop(&dev->empress_tsq);

	videobuf_mmap_free(&dev->empress_tsq);

	dev->empress_users--;
@@ -122,7 +121,6 @@ static int ts_release(struct inode *inode, struct file *file) 
	saa_writeb(SAA7134_AUDIO_MUTE_CTRL,

		saa_readb(SAA7134_AUDIO_MUTE_CTRL) | (1 << 6));



	mutex_unlock(&dev->empress_tsq.vb_lock);

	return 0;

}