diff options
| author | Heinrich Schuchardt <xypron.glpk@gmx.de> | 2016-08-21 20:27:02 +0200 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2016-08-23 13:48:05 -0400 |
| commit | bb1800caf773eb8d819e0964c7efd96efe435fa1 (patch) | |
| tree | e0a06cfe7381110bdff226c368da047d0590cc22 | |
| parent | d36f3e048e1e81906c776760d70e06bce366ef65 (diff) | |
| download | op-kernel-dev-bb1800caf773eb8d819e0964c7efd96efe435fa1.zip op-kernel-dev-bb1800caf773eb8d819e0964c7efd96efe435fa1.tar.gz | |
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>
| -rw-r--r-- | drivers/gpu/drm/amd/powerplay/hwmgr/cz_hwmgr.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/gpu/drm/amd/powerplay/hwmgr/cz_hwmgr.c b/drivers/gpu/drm/amd/powerplay/hwmgr/cz_hwmgr.c index b75fb12..5ecef17 100644 --- a/drivers/gpu/drm/amd/powerplay/hwmgr/cz_hwmgr.c +++ b/drivers/gpu/drm/amd/powerplay/hwmgr/cz_hwmgr.c @@ -1218,7 +1218,7 @@ static int cz_hwmgr_backend_init(struct pp_hwmgr *hwmgr) static int cz_hwmgr_backend_fini(struct pp_hwmgr *hwmgr) { - if (hwmgr != NULL || hwmgr->backend != NULL) { + if (hwmgr != NULL && hwmgr->backend != NULL) { kfree(hwmgr->backend); kfree(hwmgr); } |
