[PATCH] drm: of: always initialize panel in drm_of_find_panel_or_bridge()

The callers expect "panel" to be initialized, but that isn't true if we return -ENODEV. It causes bugs like:

drivers/gpu/drm/tve200/tve200_drv.c:83 tve200_modeset_init() error: uninitialized symbol 'panel'.

Signed-off-by: Dan Carpenter dan.carpenter@oracle.com

diff --git a/drivers/gpu/drm/drm_of.c b/drivers/gpu/drm/drm_of.c index 8dafbdfcd2ea..4c191c050e7d 100644 --- a/drivers/gpu/drm/drm_of.c +++ b/drivers/gpu/drm/drm_of.c @@ -233,6 +233,8 @@ int drm_of_find_panel_or_bridge(const struct device_node *np,

if (!panel && !bridge) return -EINVAL; + if (panel) + *panel = NULL;

remote = of_graph_get_remote_node(np, port, endpoint); if (!remote)