diff --git a/drivers/input/touchscreen/hynitron_cstxxx.c b/drivers/input/touchscreen/hynitron_cstxxx.c
index 0b9a99c6f221c4235db05c4e7f1b37e6a699bea7..e86c85addb388ffbd5d6d3271747a6b64e94c7df 100644
--- a/drivers/input/touchscreen/hynitron_cstxxx.c
+++ b/drivers/input/touchscreen/hynitron_cstxxx.c
@@ -210,7 +210,7 @@ static int cst3xx_bootloader_enter(struct i2c_client *client)
 {
 	int err;
 	u8 retry;
-	u32 tmp;
+	u32 tmp = 0;
 	unsigned char buf[3];
 
 	for (retry = 0; retry < 5; retry++) {