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| author | Niklas Söderlund <niklas.soderlund+renesas@ragnatech.se> | 2018-11-29 21:11:07 -0500 |
|---|---|---|
| committer | Mauro Carvalho Chehab <mchehab+samsung@kernel.org> | 2018-12-05 06:51:28 -0500 |
| commit | da2c94c8f9739e4099ea3cfefc208fc721b22a9c (patch) | |
| tree | 24662b89f2348873f08379ee199d979144eff0d4 /drivers/media/v4l2-core | |
| parent | 1da3afb58cd15764da92da68e2d999abc303f6fd (diff) | |
| download | linux-da2c94c8f9739e4099ea3cfefc208fc721b22a9c.tar.bz2 | |
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/v4l2-core')
| -rw-r--r-- | drivers/media/v4l2-core/v4l2-async.c | 4 |
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(¬ifier->asd_list); - - mutex_unlock(&list_lock); } EXPORT_SYMBOL(v4l2_async_notifier_init); |