Commit 26c9cb66 authored May 02, 2017 by Steve French

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 <smfrench@gmail.com>
CC: Stable <stable@vger.kernel.org>

parent c610c4b6

fs/cifs/cifssmb.c

+3 −0

Original line number	Diff line number	Diff line
		@@ -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;