tree a2d0da1748bb39692f9fa0bce740a9a044d3b337
parent 2ea4cfc9a7163b48514361cb02d46b0546dfcc86
author Sakari Ailus <sakari.ailus@linux.intel.com> 1551691789 -0500
committer Mauro Carvalho Chehab <mchehab+samsung@kernel.org> 1564066806 -0400

media: v4l2-async: Safely clean up an uninitialised notifier

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>