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authorNiklas Söderlund <niklas.soderlund+renesas@ragnatech.se>2018-11-30 05:11:07 +0300
committerMauro Carvalho Chehab <mchehab+samsung@kernel.org>2018-12-05 14:51:28 +0300
commitda2c94c8f9739e4099ea3cfefc208fc721b22a9c (patch)
tree24662b89f2348873f08379ee199d979144eff0d4 /drivers/media
parent1da3afb58cd15764da92da68e2d999abc303f6fd (diff)
downloadlinux-da2c94c8f9739e4099ea3cfefc208fc721b22a9c.tar.xz
media: v4l2: async: remove locking when initializing async notifier
There is no need to hold the list_lock when initializing the local asd_list of a notifier. Remove the lock handling to simplify the code and remove a potential LOCKDEP warning. Signed-off-by: Niklas Söderlund <niklas.soderlund+renesas@ragnatech.se> Reported-by: Jacopo Mondi <jacopo@jmondi.org> Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com> Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
Diffstat (limited to 'drivers/media')
-rw-r--r--drivers/media/v4l2-core/v4l2-async.c4
1 files changed, 0 insertions, 4 deletions
diff --git a/drivers/media/v4l2-core/v4l2-async.c b/drivers/media/v4l2-core/v4l2-async.c
index a6d91370838d..15b0c44a76e7 100644
--- a/drivers/media/v4l2-core/v4l2-async.c
+++ b/drivers/media/v4l2-core/v4l2-async.c
@@ -424,11 +424,7 @@ static int v4l2_async_notifier_asd_valid(struct v4l2_async_notifier *notifier,
void v4l2_async_notifier_init(struct v4l2_async_notifier *notifier)
{
- mutex_lock(&list_lock);
-
INIT_LIST_HEAD(&notifier->asd_list);
-
- mutex_unlock(&list_lock);
}
EXPORT_SYMBOL(v4l2_async_notifier_init);