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media: mc-entity.c: use & to check pad flags, not ==

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These are bits so to test if a pad is a sink you use & but not ==.

It looks like the only reason this hasn't caused problems before is that
media_get_pad_index() is currently only used with pads that do not set the
MEDIA_PAD_FL_MUST_CONNECT flag. So a pad really had only the SINK or SOURCE
flag set and nothing else.

Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Cc: <stable@vger.kernel.org>      # for v5.3 and up
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
This commit is contained in:
Hans Verkuil 2020-02-04 19:19:22 +01:00 committed by Mauro Carvalho Chehab
parent 316e730f1d
commit 044041cd52
1 changed files with 2 additions and 2 deletions
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4
drivers/media/mc/mc-entity.c
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@ -639,9 +639,9 @@ int media_get_pad_index(struct media_entity *entity, bool is_sink,
return -EINVAL;
for (i = 0; i < entity->num_pads; i++) {
if (entity->pads[i].flags == MEDIA_PAD_FL_SINK)
if (entity->pads[i].flags & MEDIA_PAD_FL_SINK)
pad_is_sink = true;
else if (entity->pads[i].flags == MEDIA_PAD_FL_SOURCE)
else if (entity->pads[i].flags & MEDIA_PAD_FL_SOURCE)
pad_is_sink = false;
else
continue; /* This is an error! */