From 6ba9bf05e62d651505e1487b50eee90bd6379e02 Mon Sep 17 00:00:00 2001
From: Justus Winter <4winter@informatik.uni-hamburg.de>
Date: Wed, 20 Nov 2013 11:46:29 +0100
Subject: fatfs: fix error handling in diskfs_lookup_hard

Found using the Clang Static Analyzer.

* fatfs/dir.c (diskfs_lookup_hard): Fix error handling.
---
 fatfs/dir.c | 2 ++
 1 file changed, 2 insertions(+)

(limited to 'fatfs')

diff --git a/fatfs/dir.c b/fatfs/dir.c
index b2b7d7e4..60fc898c 100644
--- a/fatfs/dir.c
+++ b/fatfs/dir.c
@@ -231,6 +231,8 @@ diskfs_lookup_hard (struct node *dp, const char *name, enum lookup_type type,
   err = vm_map (mach_task_self (),
                 &buf, buflen, 0, 1, memobj, 0, 0, prot, prot, 0);
   mach_port_deallocate (mach_task_self (), memobj);
+  if (err)
+    return err;
 
   inum = 0;
 
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