Make the V4L2 async framework a bit more robust by allowing to clean up an
uninitialised notifier. Otherwise the result would be a (close to) NULL
pointer dereference.
Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Tested-by: Niklas Söderlund <niklas.soderlund+renesas@ragnatech.se>
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
{
struct v4l2_async_subdev *asd, *tmp;
- if (!notifier)
+ if (!notifier || !notifier->asd_list.next)
return;
list_for_each_entry_safe(asd, tmp, ¬ifier->asd_list, asd_list) {