diff --git a/[refs] b/[refs]
index 7cfb01ff0d58..8b011120723c 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 34f361ade2fb4a869f6a7714d01c04ce4cfa75d9
+refs/heads/master: d74beb9f33a5f16d2965f11b275e401f225c949d
diff --git a/trunk/kernel/sys.c b/trunk/kernel/sys.c
index 119fb0d9e24e..38bc73ede2ba 100644
--- a/trunk/kernel/sys.c
+++ b/trunk/kernel/sys.c
@@ -1363,7 +1363,7 @@ static void groups_sort(struct group_info *group_info)
 /* a simple bsearch */
 int groups_search(struct group_info *group_info, gid_t grp)
 {
-	int left, right;
+	unsigned int left, right;
 
 	if (!group_info)
 		return 0;
@@ -1371,7 +1371,7 @@ int groups_search(struct group_info *group_info, gid_t grp)
 	left = 0;
 	right = group_info->ngroups;
 	while (left < right) {
-		int mid = (left+right)/2;
+		unsigned int mid = (left+right)/2;
 		int cmp = grp - GROUP_AT(group_info, mid);
 		if (cmp > 0)
 			left = mid + 1;