[AMD Official Use Only - Internal Distribution Only] Reviewed-by: Feifei Xu <Feifei.Xu@xxxxxxx> -----Original Message----- From: amd-gfx <amd-gfx-bounces@xxxxxxxxxxxxxxxxxxxxx> On Behalf Of Flora Cui Sent: Wednesday, September 23, 2020 2:54 PM To: amd-gfx@xxxxxxxxxxxxxxxxxxxxx Cc: Cui, Flora <Flora.Cui@xxxxxxx> Subject: [PATCH] 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@xxxxxxx> --- drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_hdcp.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) 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); -- 2.25.1 _______________________________________________ amd-gfx mailing list amd-gfx@xxxxxxxxxxxxxxxxxxxxx https://nam11.safelinks.protection.outlook.com/?url=https%3A%2F%2Flists.freedesktop.org%2Fmailman%2Flistinfo%2Famd-gfx&data=02%7C01%7CFeifei.Xu%40amd.com%7Ca62e4acb342a497ae9b708d85f8d8188%7C3dd8961fe4884e608e11a82d994e183d%7C0%7C0%7C637364408659753568&sdata=Nd%2FAYwpHlCtA9OH1jwwIo8FySKOMVUQD7GyuIsER%2F4g%3D&reserved=0 _______________________________________________ amd-gfx mailing list amd-gfx@xxxxxxxxxxxxxxxxxxxxx https://lists.freedesktop.org/mailman/listinfo/amd-gfx
