From: Jernej Skrabec jernej.skrabec@siol.net
[ Upstream commit 367c359aa8637b15ee8df6335c5a29b7623966ec ]
sun4i_drv_add_endpoints() has a memory leak since it uses of_node_put() when remote is equal to NULL and does nothing when remote has a valid pointer.
Invert the logic to fix memory leak.
Signed-off-by: Jernej Skrabec jernej.skrabec@siol.net Signed-off-by: Maxime Ripard maxime.ripard@bootlin.com Link: https://patchwork.freedesktop.org/patch/msgid/20180625120304.7543-7-jernej.s... Signed-off-by: Sasha Levin alexander.levin@microsoft.com --- drivers/gpu/drm/sun4i/sun4i_drv.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/drivers/gpu/drm/sun4i/sun4i_drv.c b/drivers/gpu/drm/sun4i/sun4i_drv.c index ace59651892f..8d3c8070ed86 100644 --- a/drivers/gpu/drm/sun4i/sun4i_drv.c +++ b/drivers/gpu/drm/sun4i/sun4i_drv.c @@ -241,7 +241,6 @@ static int sun4i_drv_add_endpoints(struct device *dev, remote = of_graph_get_remote_port_parent(ep); if (!remote) { DRM_DEBUG_DRIVER("Error retrieving the output node\n"); - of_node_put(remote); continue; }
@@ -255,11 +254,13 @@ static int sun4i_drv_add_endpoints(struct device *dev,
if (of_graph_parse_endpoint(ep, &endpoint)) { DRM_DEBUG_DRIVER("Couldn't parse endpoint\n"); + of_node_put(remote); continue; }
if (!endpoint.id) { DRM_DEBUG_DRIVER("Endpoint is our panel... skipping\n"); + of_node_put(remote); continue; } }