media: omap3isp: Acquire graph mutex for graph traversal

Acquire the graph_mutex for traversing the media graph. This seems to have
been missing all the time.

Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
This commit is contained in:
Sakari Ailus 2021-03-12 11:43:08 +01:00 • committed by Mauro Carvalho Chehab
commit ba689d9333