4.18-stable review patch. If anyone has any objections, please let me know.
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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 Signed-off-by: Greg Kroah-Hartman gregkh@linuxfoundation.org --- drivers/gpu/drm/sun4i/sun4i_drv.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-)
--- a/drivers/gpu/drm/sun4i/sun4i_drv.c +++ b/drivers/gpu/drm/sun4i/sun4i_drv.c @@ -283,7 +283,6 @@ static int sun4i_drv_add_endpoints(struc remote = of_graph_get_remote_port_parent(ep); if (!remote) { DRM_DEBUG_DRIVER("Error retrieving the output node\n"); - of_node_put(remote); continue; }
@@ -297,11 +296,13 @@ static int sun4i_drv_add_endpoints(struc
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; } }