From 26c9cb668c7fbf9830516b75d8bee70b699ed449 Mon Sep 17 00:00:00 2001 From: Steve French Date: Tue, 2 May 2017 13:35:20 -0500 Subject: [PATCH] Set unicode flag on cifs echo request to avoid Mac error Mac requires the unicode flag to be set for cifs, even for the smb echo request (which doesn't have strings). Without this Mac rejects the periodic echo requests (when mounting with cifs) that we use to check if server is down Signed-off-by: Steve French CC: Stable --- fs/cifs/cifssmb.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/fs/cifs/cifssmb.c b/fs/cifs/cifssmb.c index 5d21f00ae341b4..205fd94f52fdf4 100644 --- a/fs/cifs/cifssmb.c +++ b/fs/cifs/cifssmb.c @@ -718,6 +718,9 @@ CIFSSMBEcho(struct TCP_Server_Info *server) if (rc) return rc; + if (server->capabilities & CAP_UNICODE) + smb->hdr.Flags2 |= SMBFLG2_UNICODE; + /* set up echo request */ smb->hdr.Tid = 0xffff; smb->hdr.WordCount = 1;