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[11/19] v4l: vsp1: Use the new media_entity_graph_walk_start() interface

Message ID 1445900510-1398-12-git-send-email-sakari.ailus@iki.fi (mailing list archive)
State New, archived
Headers show

Commit Message

Sakari Ailus Oct. 26, 2015, 11:01 p.m. UTC 
Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
---
 drivers/media/platform/vsp1/vsp1_video.c | 8 ++++++++
 1 file changed, 8 insertions(+)
diff mbox

Patch

diff --git a/drivers/media/platform/vsp1/vsp1_video.c b/drivers/media/platform/vsp1/vsp1_video.c
index f741582..ce10d86 100644
--- a/drivers/media/platform/vsp1/vsp1_video.c
+++ b/drivers/media/platform/vsp1/vsp1_video.c
@@ -415,6 +415,12 @@  static int vsp1_pipeline_validate(struct vsp1_pipeline *pipe,
 	mutex_lock(&mdev->graph_mutex);
 
 	/* Walk the graph to locate the entities and video nodes. */
+	ret = media_entity_graph_walk_init(&graph, mdev);
+	if (ret) {
+		mutex_unlock(&mdev->graph_mutex);
+		return ret;
+	}
+
 	media_entity_graph_walk_start(&graph, entity);
 
 	while ((entity = media_entity_graph_walk_next(&graph))) {
@@ -448,6 +454,8 @@  static int vsp1_pipeline_validate(struct vsp1_pipeline *pipe,
 
 	mutex_unlock(&mdev->graph_mutex);
 
+	media_entity_graph_walk_cleanup(&graph);
+
 	/* We need one output and at least one input. */
 	if (pipe->num_inputs == 0 || !pipe->output) {
 		ret = -EPIPE;