From: Steve French <smfrench@gmail.com>
Date: Tue, 16 Sep 2014 11:40:25 +0000 (-0500)
Subject: Fix mfsymlinks file size check
X-Git-Url: http://drtracing.org/?a=commitdiff_plain;h=364d42930d96a872b2076deeb9c24f9ff132de34;p=deliverable%2Flinux.git

Fix mfsymlinks file size check

If the mfsymlinks file size has changed (e.g. the file no longer
represents an emulated symlink) we were not returning an error properly.

Signed-off-by: Steve French <smfrench@gmail.com>
Reviewed-by: Stefan Metzmacher <metze@samba.org>
---

diff --git a/fs/cifs/link.c b/fs/cifs/link.c
index a5c2812ead68..5657416d3483 100644
--- a/fs/cifs/link.c
+++ b/fs/cifs/link.c
@@ -343,9 +343,11 @@ cifs_query_mf_symlink(unsigned int xid, struct cifs_tcon *tcon,
 	if (rc)
 		return rc;
 
-	if (file_info.EndOfFile != cpu_to_le64(CIFS_MF_SYMLINK_FILE_SIZE))
+	if (file_info.EndOfFile != cpu_to_le64(CIFS_MF_SYMLINK_FILE_SIZE)) {
+		rc = -ENOENT;
 		/* it's not a symlink */
 		goto out;
+	}
 
 	io_parms.netfid = fid.netfid;
 	io_parms.pid = current->tgid;