[hurd] 31/98: fatfs: fix error handling in diskfs_get_directs

[Samuel Thibault]

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sthibault pushed a commit to branch upstream
in repository hurd.

commit 562e3a8a2652dd960d5d76208c723f717e47330e
Author: Justus Winter <address@hidden>
Date:   Wed Nov 20 11:47:44 2013 +0100

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

diff --git a/fatfs/dir.c b/fatfs/dir.c
index 60fc898..5a38c63 100644
--- a/fatfs/dir.c
+++ b/fatfs/dir.c
@@ -865,6 +865,8 @@ diskfs_get_directs (struct node *dp,
   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;
 
   bufp = buf;
   for (i = 0; i < entry; i ++)

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