[PATCH 3/7] drm: Don't leak path blob property when updating

[Daniel Stone]

Previously, when updating the path blob property, we would leak the
existing one. Make this symmetrical with the tile and EDID blob
pointers.

Signed-off-by: Daniel Stone <daniels at collabora.com>
Cc: Dave Airlie <airlied at redhat.com>
---
 drivers/gpu/drm/drm_crtc.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/drivers/gpu/drm/drm_crtc.c b/drivers/gpu/drm/drm_crtc.c
index a497c08..aae0d84 100644
--- a/drivers/gpu/drm/drm_crtc.c
+++ b/drivers/gpu/drm/drm_crtc.c
@@ -4302,6 +4302,9 @@ int drm_mode_connector_set_path_property(struct drm_connector *connector,
 	size_t size = strlen(path) + 1;
 	int ret;
 
+	if (connector->path_blob_ptr)
+		drm_property_destroy_blob(dev, connector->path_blob_ptr);
+
 	connector->path_blob_ptr = drm_property_create_blob(connector->dev,
 							    size, path);
 	if (!connector->path_blob_ptr)
-- 
2.3.5