diff --git a/drivers/input/joystick/grip_mp.c b/drivers/input/joystick/grip_mp.c
index 555319e6378c47620d9a187b3493c5c82cfe0553..4ed3a3eadf1964eaad388e4f603720910e675811 100644
--- a/drivers/input/joystick/grip_mp.c
+++ b/drivers/input/joystick/grip_mp.c
@@ -320,10 +320,10 @@ static int multiport_io(struct gameport* gameport, int sendflags, int sendcode,
 
 static int dig_mode_start(struct gameport *gameport, u32 *packet)
 {
-	int i, seq_len = sizeof(init_seq)/sizeof(int);
+	int i;
 	int flags, tries = 0, bads = 0;
 
-	for (i = 0; i < seq_len; i++) {     /* Send magic sequence */
+	for (i = 0; i < ARRAY_SIZE(init_seq); i++) {     /* Send magic sequence */
 		if (init_seq[i])
 			gameport_trigger(gameport);
 		udelay(GRIP_INIT_DELAY);