tree e0a06cfe7381110bdff226c368da047d0590cc22
parent d36f3e048e1e81906c776760d70e06bce366ef65
author Heinrich Schuchardt <xypron.glpk@gmx.de> 1471804022 +0200
committer Alex Deucher <alexander.deucher@amd.com> 1471974485 -0400

drm/amd/powerplay: avoid NULL dereference, cz_hwmgr.c

if (a == NULL || a->b == NULL)
leads to a NULL pointer dereference if a == NULL.

Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Heinrich Schuchardt <xypron.glpk@gmx.de>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>