[hurd] 20/98: ext2fs: fix error handling

[Samuel Thibault]

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sthibault pushed a commit to branch upstream
in repository hurd.

commit 5d3b00abe9a506ab3c3310cfb82394534463c40b
Author: Justus Winter <address@hidden>
Date:   Fri Nov 15 12:10:05 2013 +0100

    ext2fs: fix error handling
    
    Found using the Clang Static Analyzer.
    
    * ext2fs/dir.c (diskfs_lookup_hard): Fix error handling.
---
 ext2fs/dir.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/ext2fs/dir.c b/ext2fs/dir.c
index c075246..a7eeaaa 100644
--- a/ext2fs/dir.c
+++ b/ext2fs/dir.c
@@ -195,6 +195,8 @@ 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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