[PATCH] v4l2: async: remove locking when initializing async notifier

[Niklas Söderlund]

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+rene...@ragnatech.se>
Reported-by: Jacopo Mondi <jac...@jmondi.org>
---
 drivers/media/v4l2-core/v4l2-async.c | 4 ----
 1 file changed, 4 deletions(-)

diff --git a/drivers/media/v4l2-core/v4l2-async.c 
b/drivers/media/v4l2-core/v4l2-async.c
index a6d91370838d9342..15b0c44a76e7f6c3 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);
 
-- 
2.19.2