Merge "sdcard: avoid benign unsigned overflow" am: 64461c2

am: 182b310

* commit '182b310b1de5654a93c21417c77722897b93882d':
  sdcard: avoid benign unsigned overflow

Change-Id: I14e80911060bb609de5b91a4c56315cd701857f9

sdcard/sdcard.c

@@ -826,7 +826,8 @@ static int handle_forget(struct fuse* fuse, struct fuse_handler* handler,
             hdr->nodeid, node ? node->name : "?");
     if (node) {
         __u64 n = req->nlookup;
-        while (n--) {
+        while (n) {
+            n--;
             release_node_locked(node);
         }
     }