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media: replace WARN_ON in __media_pipeline_start() 

__media_pipeline_start() does WARN_ON() when active pipe doesn't
match the input arg entity's pipe.

Replace WARN_ON with a conditional and error message that includes
names of both entities.

Signed-off-by: Shuah Khan <shuah@kernel.org>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
This commit is contained in:
Shuah Khan 2019-02-22 19:17:09 -05:00 committed by Mauro Carvalho Chehab
parent e855165f3d
commit 3eb87773de
1 changed files with 4 additions and 1 deletions
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5
drivers/media/media-entity.c
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@ -435,7 +435,10 @@ __must_check int __media_pipeline_start(struct media_entity *entity,
entity->stream_count++;
if (WARN_ON(entity->pipe && entity->pipe != pipe)) {
if (entity->pipe && entity->pipe != pipe) {
pr_err("Pipe active for %s. Can't start for %s\n",
entity->name,
entity_err->name);
ret = -EBUSY;
goto error;
}