summaryrefslogtreecommitdiff
path: root/drivers/gpu/drm/amd/display
diff options
context:
space:
mode:
authorFlora Cui <flora.cui@amd.com>2020-09-23 14:42:59 +0800
committerAlex Deucher <alexander.deucher@amd.com>2020-09-25 16:53:32 -0400
commit3704cdd30aa99a4fa2551e164fe074da0e1bc1fd (patch)
tree704854243e386399b9cb5f3a009bee903ca8c9e5 /drivers/gpu/drm/amd/display
parent84d244a364d3e9e115f3d189b8bd3098968eac1d (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/drm/amd/display')
-rw-r--r--drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_hdcp.c2
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);