@@ -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)
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@xs4all.nl> ---