diff options
| author | Flora Cui <flora.cui@amd.com> | 2020-09-23 14:42:59 +0800 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2020-09-29 17:07:34 -0400 |
| commit | 898c7302f4de1d91065e80fc46552b3ec70894ff (patch) | |
| tree | 64f0fbeb6c5c382505847a3c8ca086879a14fc9b /drivers/gpu | |
| parent | 0c7014154d6397d6a35bf3759839207f1c702a42 (diff) | |
drm/amd/display: fix return value check for hdcp_work
max_caps might be 0, thus hdcp_work might be ZERO_SIZE_PTR
Signed-off-by: Flora Cui <flora.cui@amd.com>
Reviewed-by: Feifei Xu <Feifei.Xu@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu')
| -rw-r--r-- | drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_hdcp.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_hdcp.c b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_hdcp.c index 694c5bc93665..c2cd184f0bbd 100644 --- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_hdcp.c +++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_hdcp.c @@ -604,7 +604,7 @@ struct hdcp_workqueue *hdcp_create_workqueue(struct amdgpu_device *adev, struct int i = 0; hdcp_work = kcalloc(max_caps, sizeof(*hdcp_work), GFP_KERNEL); - if (hdcp_work == NULL) + if (ZERO_OR_NULL_PTR(hdcp_work)) return NULL; hdcp_work->srm = kcalloc(PSP_HDCP_SRM_FIRST_GEN_MAX_SIZE, sizeof(*hdcp_work->srm), GFP_KERNEL); |