diff --git a/drivers/staging/rtl8188eu/core/rtw_security.c b/drivers/staging/rtl8188eu/core/rtw_security.c
index 3483c3d9cb56c7..5511f16c855034 100644
--- a/drivers/staging/rtl8188eu/core/rtw_security.c
+++ b/drivers/staging/rtl8188eu/core/rtw_security.c
@@ -840,6 +840,7 @@ static void next_key(u8 *key, int round)
 static void byte_sub(u8 *in, u8 *out)
 {
 	int i;
+
 	for (i = 0; i < 16; i++)
 		out[i] = sbox(in[i]);
 }