From 90d8668e4ac34a84c52dc5b078af9d982323502c Mon Sep 17 00:00:00 2001
From: Ronnie Sahlberg <lsahlber@redhat.com>
Date: Mon, 30 Oct 2017 13:28:03 +1100
Subject: [PATCH] cifs: check MaxPathNameComponentLength != 0 before using it

commit f74bc7c6679200a4a83156bb89cbf6c229fe8ec0 upstream.

And fix tcon leak in error path.

Signed-off-by: Ronnie Sahlberg <lsahlber@redhat.com>
Signed-off-by: Steve French <smfrench@gmail.com>
Reviewed-by: David Disseldorp <ddiss@samba.org>
[bwh: Backported to 3.2: cifs_tcon pointer is tcon, and there's no leak to fix]
Signed-off-by: Ben Hutchings <ben@decadent.org.uk>
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Reading git-format-patch failed