Use WARN_ON instead of BUG_ON. Add two new WARN_ONs to verify that the source pad is really a source and that the sink pad is really a sink. Signed-off-by: Hans Verkuil <hverkuil-cisco@xxxxxxxxx> --- diff --git a/drivers/media/mc/mc-entity.c b/drivers/media/mc/mc-entity.c index 7c429ce98bae..0f1461ac00f0 100644 --- a/drivers/media/mc/mc-entity.c +++ b/drivers/media/mc/mc-entity.c @@ -662,9 +662,14 @@ media_create_pad_link(struct media_entity *source, u16 source_pad, struct media_link *link; struct media_link *backlink; - BUG_ON(source == NULL || sink == NULL); - BUG_ON(source_pad >= source->num_pads); - BUG_ON(sink_pad >= sink->num_pads); + if (WARN_ON(source == NULL || sink == NULL) || + WARN_ON(source_pad >= source->num_pads) || + WARN_ON(sink_pad >= sink->num_pads)) + return -EINVAL; + if (WARN_ON(!(source->pads[source_pad].flags & MEDIA_PAD_FL_SOURCE))) + return -EINVAL; + if (WARN_ON(!(sink->pads[sink_pad].flags & MEDIA_PAD_FL_SINK))) + return -EINVAL; link = media_add_link(&source->links); if (link == NULL)
