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media: v4l2-ctrl: Add a comment on why we zero out compound controls fields
authorPaul Kocialkowski <paul.kocialkowski@bootlin.com>
Thu, 25 Jul 2019 18:55:59 +0000 (14:55 -0400)
committerMauro Carvalho Chehab <mchehab+samsung@kernel.org>
Tue, 30 Jul 2019 16:13:15 +0000 (12:13 -0400)
commit1e42d384aa19e06410be52bd05cfc159722c0b7f
treee11e3a8986098612e0fd773b76aa591c35e8dffetree | snapshot
parent4b4d62b03191700f3245941146a8510d31ec66b3commit | diff
media: v4l2-ctrl: Add a comment on why we zero out compound controls fields

Since it's not necessarily very explicit why we need to zero some fields
in std_validate_compound, add a comment before the function to explain
why, which should help as a reminder.

Signed-off-by: Paul Kocialkowski <paul.kocialkowski@bootlin.com>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
drivers/media/v4l2-core/v4l2-ctrls.c diff | blob | history
Domain: System / Kernel;