diff --git a/drivers/ata/pata_it821x.c b/drivers/ata/pata_it821x.c
index 27843c70eb9dc64e8d6292e2dc7fe2ee425bae40..0221c9a46769ad5e826485691d2718f863795eeb 100644
--- a/drivers/ata/pata_it821x.c
+++ b/drivers/ata/pata_it821x.c
@@ -606,7 +606,7 @@ static void it821x_display_disk(int n, u8 *buf)
 {
 	unsigned char id[41];
 	int mode = 0;
-	char *mtype;
+	char *mtype = "";
 	char mbuf[8];
 	char *cbl = "(40 wire cable)";