If a different entity->pipe in a pipeline was encountered, a warning was
issued but the execution continued as if nothing had happened. Return an
error instead right there.
Signed-off-by: Sakari Ailus <sakari.ai...@linux.intel.com>
---
drivers/media/media-entity.c | 7 ++++++-
1 file changed, 6 insertions(+), 1 deletion(-)
diff --git a/drivers/media/media-entity.c b/drivers/media/media-entity.c
index 66b8db0..d11f440 100644
--- a/drivers/media/media-entity.c
+++ b/drivers/media/media-entity.c
@@ -431,7 +431,12 @@ __must_check int media_entity_pipeline_start(struct
media_entity *entity,
DECLARE_BITMAP(has_no_links, MEDIA_ENTITY_MAX_PADS);
entity->stream_count++;
- WARN_ON(entity->pipe && entity->pipe != pipe);
+
+ if (WARN_ON(entity->pipe && entity->pipe != pipe)) {
+ ret = -EBUSY;
+ goto error;
+ }
+
entity->pipe = pipe;
/* Already streaming --- no need to check. */
--
2.1.4
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