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media: v4l2: async: remove locking when initializing async notifier

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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>
This commit is contained in:
Niklas Söderlund 2018-11-29 21:11:07 -05:00 committed by Mauro Carvalho Chehab
parent 1da3afb58c
commit da2c94c8f9
1 changed files with 0 additions and 4 deletions
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4
drivers/media/v4l2-core/v4l2-async.c
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@ -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);