From 3ffb892a5db5ad64b87261fa01478401806894cf Mon Sep 17 00:00:00 2001
From: Justus Winter <4winter@informatik.uni-hamburg.de>
Date: Tue, 19 May 2015 18:52:58 +0200
Subject: fatfs: fix error handling

* fatfs/dir.c (diskfs_dirrewrite_hard): Fix error handling.
---
 fatfs/dir.c | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/fatfs/dir.c b/fatfs/dir.c
index 9eea74c1..66c95d27 100644
--- a/fatfs/dir.c
+++ b/fatfs/dir.c
@@ -728,9 +728,10 @@ diskfs_dirrewrite_hard (struct node *dp, struct node *np, struct dirstat *ds)
   entry_key.dir_inode = dp->cache_id;
   entry_key.dir_offset = ((int) ds->entry) - ((int) ds->mapbuf);
   err = vi_rlookup (entry_key, &inode, &vinode, 0);
-  
   assert (err != EINVAL);
-  
+  if (err)
+    return err;
+
   /*  Lookup the node, we already have a reference.  */
   oldnp = diskfs_cached_ifind (inode);
 
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