[v3,08/23] media: Use the new media graph walk interface
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Message ID 1450272758-29446-9-git-send-email-sakari.ailus@iki.fi
State New
Headers show

Commit Message

Sakari Ailus Dec. 16, 2015, 1:32 p.m. UTC
The media graph walk requires initialisation and cleanup soon. Update the
users to perform the soon necessary API calls.

Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
---
 drivers/media/media-entity.c | 12 +++++++++++-
 1 file changed, 11 insertions(+), 1 deletion(-)

Patch
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diff --git a/drivers/media/media-entity.c b/drivers/media/media-entity.c
index d63204e..2232cb3 100644
--- a/drivers/media/media-entity.c
+++ b/drivers/media/media-entity.c
@@ -492,7 +492,13 @@  __must_check int media_entity_pipeline_start(struct media_entity *entity,
 
 	mutex_lock(&mdev->graph_mutex);
 
-	media_entity_graph_walk_start(graph, entity);
+	ret = media_entity_graph_walk_init(&pipe->graph, mdev);
+	if (ret) {
+		mutex_unlock(&mdev->graph_mutex);
+		return ret;
+	}
+
+	media_entity_graph_walk_start(&pipe->graph, entity);
 
 	while ((entity = media_entity_graph_walk_next(graph))) {
 		DECLARE_BITMAP(active, MEDIA_ENTITY_MAX_PADS);
@@ -590,6 +596,8 @@  error:
 			break;
 	}
 
+	media_entity_graph_walk_cleanup(graph);
+
 	mutex_unlock(&mdev->graph_mutex);
 
 	return ret;
@@ -623,6 +631,8 @@  void media_entity_pipeline_stop(struct media_entity *entity)
 			entity->pipe = NULL;
 	}
 
+	media_entity_graph_walk_cleanup(graph);
+
 	mutex_unlock(&mdev->graph_mutex);
 }
 EXPORT_SYMBOL_GPL(media_entity_pipeline_stop);