diff --git a/os_dep/linux/ioctl_mp.c b/os_dep/linux/ioctl_mp.c
index 82d0984..cba3bb0 100644
--- a/os_dep/linux/ioctl_mp.c
+++ b/os_dep/linux/ioctl_mp.c
@@ -3002,7 +3002,7 @@ int rtw_mp_link(struct net_device *dev,
 		/* tmp[0],[1],[2] */
 		/* txdata,00e04c871200........... */
 		if (strcmp(tmp[0], "txdata") == 0) {
-			if ((tmp[1] == NULL)) {
+			if (tmp[1] == NULL) {
 				ret = -EINVAL;
 				goto exit;
 			}