--- /dev/null
+--- a/src/drv_tapi_ioctl.c
++++ b/src/drv_tapi_ioctl.c
+@@ -702,7 +702,8 @@ static IFX_int32_t TAPI_IoctlDev (IFX_TAPI_DRV_CTX_t* pDrvCtx,
+
+ if (ret == TAPI_statusOk || ret == 1)
+ {
+- copy_to_user ((IFX_void_t*)ioarg, p_tmp, sizeof(IFX_TAPI_CAP_t));
++ if (copy_to_user ((IFX_void_t*)ioarg, p_tmp, sizeof(IFX_TAPI_CAP_t)))
++ ret = TAPI_statusErrKernCpy;
+ }
+ }
+ TAPI_OS_Free (p_tmp);