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authorzhongshiqi <zhong.shiqi@zte.com.cn>2019-10-23 11:32:23 +0300
committerAlex Deucher <alexander.deucher@amd.com>2019-10-30 18:56:16 +0300
commit364593f3ee5fdefc6efd89475e1804c928b4e6ba (patch)
treee3b9c58c1acfa36848718d5e283fa3195da25727 /drivers/gpu
parent385857adb8154563840e5b0f200254126618f464 (diff)
downloadlinux-364593f3ee5fdefc6efd89475e1804c928b4e6ba.tar.xz
dc.c:use kzalloc without test
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>
Diffstat (limited to 'drivers/gpu')
-rw-r--r--drivers/gpu/drm/amd/display/dc/core/dc.c4
1 files changed, 4 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/display/dc/core/dc.c b/drivers/gpu/drm/amd/display/dc/core/dc.c
index 5d1adeda4d90..4b8819c27fcd 100644
--- a/drivers/gpu/drm/amd/display/dc/core/dc.c
+++ b/drivers/gpu/drm/amd/display/dc/core/dc.c
@@ -580,6 +580,10 @@ 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));