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| author |   zhongshiqi <zhong.shiqi@zte.com.cn> | 2019-10-23 16:32:23 +0800 |
|---|---|---|
| committer |   Alex Deucher <alexander.deucher@amd.com> | 2019-10-28 11:19:00 -0400 |
| commit | 039ffeaae307d61318742e0b2f79742e08ea6b8b (patch) | |
| tree | 99e289fd89f78c7b3d17419158966168d9e2ca63 /drivers/gpu/drm/amd | |
| parent | drm/amd/display: remove gcc warning Wunused-but-set-variable (diff) | |
| download | linux-dev-039ffeaae307d61318742e0b2f79742e08ea6b8b.tar.xz linux-dev-039ffeaae307d61318742e0b2f79742e08ea6b8b.zip | |
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/drm/amd')
| -rw-r--r-- | drivers/gpu/drm/amd/display/dc/core/dc.c | 4 |
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 0a443348df10..32f31bf91915 100644 --- a/drivers/gpu/drm/amd/display/dc/core/dc.c +++ b/drivers/gpu/drm/amd/display/dc/core/dc.c @@ -601,6 +601,10 @@ 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)); |