diff --git a/[refs] b/[refs]
index d5cceaa9e8d5..aaa28129fb14 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: d3ce0e98b7fe17bb1dec9f6d7c50213db01e7189
+refs/heads/master: 994fed2dd2166f86b62ec53c7424660145f138ee
diff --git a/trunk/arch/mips/loongson/common/machtype.c b/trunk/arch/mips/loongson/common/machtype.c
index 81fbe6b73f91..2efd5d9dee27 100644
--- a/trunk/arch/mips/loongson/common/machtype.c
+++ b/trunk/arch/mips/loongson/common/machtype.c
@@ -41,7 +41,7 @@ void __weak __init mach_prom_init_machtype(void)
 
 void __init prom_init_machtype(void)
 {
-	char *p, str[MACHTYPE_LEN];
+	char *p, str[MACHTYPE_LEN + 1];
 	int machtype = MACH_LEMOTE_FL2E;
 
 	mips_machtype = LOONGSON_MACHTYPE;
@@ -53,6 +53,7 @@ void __init prom_init_machtype(void)
 	}
 	p += strlen("machtype=");
 	strncpy(str, p, MACHTYPE_LEN);
+	str[MACHTYPE_LEN] = '\0';
 	p = strstr(str, " ");
 	if (p)
 		*p = '\0';