From: Pavel Shilovsky <piastry@etersoft.ru>
Date: Fri, 14 Feb 2014 09:31:02 +0000 (+0400)
Subject: CIFS: Fix too big maxBuf size for SMB3 mounts
X-Git-Tag: v3.14-rc4~35^2
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=2365c4eaf077c48574ab6f143960048fc0f31518;p=pandora-kernel.git

CIFS: Fix too big maxBuf size for SMB3 mounts

SMB3 servers can respond with MaxTransactSize of more than 4M
that can cause a memory allocation error returned from kmalloc
in a lock codepath. Also the client doesn't support multicredit
requests now and allows buffer sizes of 65536 bytes only. Set
MaxTransactSize to this maximum supported value.

Cc: stable@vger.kernel.org # 3.7+
Signed-off-by: Pavel Shilovsky <piastry@etersoft.ru>
Acked-by: Jeff Layton <jlayton@redhat.com>
Signed-off-by: Steve French <smfrench@gmail.com>
---

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