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media: entity: Skip non-data links in graph iteration

When iterating over the media graph, don't follow links that are not data links.

Daniel Scally committed 4 years ago

Commit af3ed781 parent 6008dea1 file · +6 −0Browse files

Unified · Split

drivers/media/mc/mc-entity.c+6−0
@@ -295,6 +295,12 @@ static void media_graph_walk_iter(struct media_graph *graph) · 294 unmodified lines
295295
296296 link = list_entry(link_top(graph), typeof(*link), list);
297297
298+ /* If the link is not a data link, don't follow it */
299+ if ((link->flags & MEDIA_LNK_FL_LINK_TYPE) != MEDIA_LNK_FL_DATA_LINK) {
300+ link_top(graph) = link_top(graph)->next;
301+ return;
302+ }
303+
298304 /* The link is not enabled so we do not follow. */
299305 if (!(link->flags & MEDIA_LNK_FL_ENABLED)) {
300306 link_top(graph) = link_top(graph)->next;