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Commit bb1800ca authored by Heinrich Schuchardt's avatar Heinrich Schuchardt Committed by Alex Deucher
Browse files

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: default avatarChristian König <christian.koenig@amd.com>
Signed-off-by: default avatarHeinrich Schuchardt <xypron.glpk@gmx.de>
Signed-off-by: default avatarAlex Deucher <alexander.deucher@amd.com>
parent d36f3e04

drivers/gpu/drm/amd/powerplay/hwmgr/cz_hwmgr.c

+1 −1
Original line number Original line Diff line number Diff line
@@ -1218,7 +1218,7 @@ static int cz_hwmgr_backend_init(struct pp_hwmgr *hwmgr) 




static int cz_hwmgr_backend_fini(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->backend);

		kfree(hwmgr);

		kfree(hwmgr);

	}

	}