Ronnie Sahlberg f74bc7c667 cifs: check MaxPathNameComponentLength != 0 before using it
And fix tcon leak in error path.

Signed-off-by: Ronnie Sahlberg <lsahlber@redhat.com>
Signed-off-by: Steve French <smfrench@gmail.com>
CC: Stable <stable@vger.kernel.org>
Reviewed-by: David Disseldorp <ddiss@samba.org>
2017-10-30 02:11:38 -05:00
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