| From dfd2ae46dd15278c07664bf3bb8a30ac65e91246 Mon Sep 17 00:00:00 2001 |
| From: Sasha Levin <sashal@kernel.org> |
| Date: Wed, 23 Oct 2019 16:32:23 +0800 |
| Subject: dc.c:use kzalloc without test |
| |
| From: zhongshiqi <zhong.shiqi@zte.com.cn> |
| |
| [ Upstream commit 364593f3ee5fdefc6efd89475e1804c928b4e6ba ] |
| |
| dc.c:583:null check is needed after using kzalloc function |
| |
| Reviewed-by: Harry Wentland <harry.wentland@amd.com> |
| Signed-off-by: zhongshiqi <zhong.shiqi@zte.com.cn> |
| Signed-off-by: Alex Deucher <alexander.deucher@amd.com> |
| Signed-off-by: Sasha Levin <sashal@kernel.org> |
| --- |
| drivers/gpu/drm/amd/display/dc/core/dc.c | 4 ++++ |
| 1 file changed, 4 insertions(+) |
| |
| diff --git a/drivers/gpu/drm/amd/display/dc/core/dc.c b/drivers/gpu/drm/amd/display/dc/core/dc.c |
| index 730f97ba8dbbe..dd4731ab935cd 100644 |
| --- a/drivers/gpu/drm/amd/display/dc/core/dc.c |
| +++ b/drivers/gpu/drm/amd/display/dc/core/dc.c |
| @@ -566,6 +566,10 @@ static bool construct(struct dc *dc, |
| #ifdef CONFIG_DRM_AMD_DC_DCN2_0 |
| // Allocate memory for the vm_helper |
| dc->vm_helper = kzalloc(sizeof(struct vm_helper), GFP_KERNEL); |
| + if (!dc->vm_helper) { |
| + dm_error("%s: failed to create dc->vm_helper\n", __func__); |
| + goto fail; |
| + } |
| |
| #endif |
| memcpy(&dc->bb_overrides, &init_params->bb_overrides, sizeof(dc->bb_overrides)); |
| -- |
| 2.20.1 |
| |
