提交 bb1800ca 编写于 作者: H Heinrich Schuchardt 提交者: Alex Deucher

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: NChristian König <christian.koenig@amd.com>
Signed-off-by: NHeinrich Schuchardt <xypron.glpk@gmx.de>
Signed-off-by: NAlex Deucher <alexander.deucher@amd.com>
上级 d36f3e04
......@@ -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);
}
......
Markdown is supported
0% .
You are about to add 0 people to the discussion. Proceed with caution.
先完成此消息的编辑!
想要评论请 注册
新手
引导
客服 返回
顶部