Protect against early error in SMB_VFS_NEXT_READDIR.

Signed-off-by: Jeremy Allison <jra@samba.org>
Reviewed-by: Andreas Schneider <asn@samba.org>

diff --git a/source3/modules/vfs_dirsort.c b/source3/modules/vfs_dirsort.c
index 88191b04f7afc2dec6e05f02010d3b79227aeb9b..7185e5b0a6ce0ef1cd3737b8f918a4d69cf49536 100644 (file)
--- a/source3/modules/vfs_dirsort.c
+++ b/source3/modules/vfs_dirsort.c
@@ -61,6 +61,10 @@ static bool open_and_sort_dir (vfs_handle_struct *handle)
                data->number_of_entries++;
        }
 
+       if (data->number_of_entries == 0) {
+               return false;
+       }
+
        /* Open the underlying directory and count the number of entries
           Skip back to the beginning as we'll read it again */
        SMB_VFS_NEXT_REWINDDIR(handle, data->source_directory);