From c4839767316a9e74a26e0691873e4e84357905a2 Mon Sep 17 00:00:00 2001
From: Jeremy Allison <jra@samba.org>
Date: Mon, 8 Apr 2013 16:31:53 -0700
Subject: [PATCH] Protect against early error in SMB_VFS_NEXT_READDIR.

Signed-off-by: Jeremy Allison <jra@samba.org>
Reviewed-by: Andreas Schneider <asn@samba.org>
---
 source3/modules/vfs_dirsort.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/source3/modules/vfs_dirsort.c b/source3/modules/vfs_dirsort.c
index 813955684ae..6fe7c184146 100644
--- 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);
-- 
2.11.4.GIT