drm: of: always initialize panel in drm_of_find_panel_or_bridge()
authorDan Carpenter <dan.carpenter@oracle.com>
Mon, 25 Sep 2017 10:30:38 +0000 (13:30 +0300)
committerLinus Walleij <linus.walleij@linaro.org>
Sat, 30 Sep 2017 23:30:01 +0000 (01:30 +0200)
commit320e421ea303b1e53451b2b4cd3ad18cdd043b3b
treef96c37dbc6856664907432fe537b0ead59449c52
parent44390ef519006b13c8fab9eb13abac909342a585
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>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Link: https://patchwork.freedesktop.org/patch/msgid/20170925103038.lvr5msjvekwczctn@mwanda
drivers/gpu/drm/drm_of.c