From: zhongshiqi <zhong.shiqi@xxxxxxxxxx>
[ Upstream commit 364593f3ee5fdefc6efd89475e1804c928b4e6ba ]
dc.c:583:null check is needed after using kzalloc function
Reviewed-by: Harry Wentland <harry.wentland@xxxxxxx>
Signed-off-by: zhongshiqi <zhong.shiqi@xxxxxxxxxx>
Signed-off-by: Alex Deucher <alexander.deucher@xxxxxxx>
Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>
---
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
