media: media-request: add media_request_(un)lock_for_access
authorHans Verkuil <hans.verkuil@cisco.com>
Mon, 27 Aug 2018 15:10:38 +0000 (11:10 -0400)
committerMauro Carvalho Chehab <mchehab+samsung@kernel.org>
Tue, 11 Sep 2018 13:53:31 +0000 (09:53 -0400)
commit6736f4e948817ca8385bdc6feb5475cdf1eb1ec8
tree073eb0d6ce248e12b7fa74ca9f3e3941b9e5bc6e
parente5079cf11373e4cc98be8b1072aece429eb2d4d2
media: media-request: add media_request_(un)lock_for_access

Add helper functions to prevent a completed request from being
re-inited while it is being accessed.

Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Reviewed-by: Tomasz Figa <tfiga@chromium.org>
Acked-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
drivers/media/media-request.c
include/media/media-request.h