From dd0daf2a6fb6bec436a3ef68bd585ea09a2a54b7 Mon Sep 17 00:00:00 2001 From: Hans Verkuil Date: Sun, 2 May 2010 05:11:32 -0300 Subject: [PATCH] V4L/DVB: v4l2-dev: remove unnecessary lock around atomic clear_bit No need to lock when unregistering the device: clear_bit is already an atomic operation. Signed-off-by: Hans Verkuil Signed-off-by: Mauro Carvalho Chehab --- drivers/media/video/v4l2-dev.c | 2 -- 1 file changed, 2 deletions(-) diff --git a/drivers/media/video/v4l2-dev.c b/drivers/media/video/v4l2-dev.c index 65a7b30524ca..0ca7ec9ca902 100644 --- a/drivers/media/video/v4l2-dev.c +++ b/drivers/media/video/v4l2-dev.c @@ -600,9 +600,7 @@ void video_unregister_device(struct video_device *vdev) if (!vdev || !video_is_registered(vdev)) return; - mutex_lock(&videodev_lock); clear_bit(V4L2_FL_REGISTERED, &vdev->flags); - mutex_unlock(&videodev_lock); device_unregister(&vdev->dev); } EXPORT_SYMBOL(video_unregister_device); -- 2.30.2