diff --git a/drivers/scsi/BusLogic.c b/drivers/scsi/BusLogic.c
index 4d8556fb5c68..0bcedd9d8d26 100644
--- a/drivers/scsi/BusLogic.c
+++ b/drivers/scsi/BusLogic.c
@@ -3436,7 +3436,7 @@ static void blogic_msg(enum blogic_msglevel msglevel, char *fmt,
 	int len = 0;
 
 	va_start(args, adapter);
-	len = vsprintf(buf, fmt, args);
+	len = vscnprintf(buf, sizeof(buf), fmt, args);
 	va_end(args);
 	if (msglevel == BLOGIC_ANNOUNCE_LEVEL) {
 		static int msglines = 0;