From: Steve French <sfrench@us.ibm.com>
Date: Thu, 26 May 2011 18:38:54 +0000 (+0000)
Subject: [CIFS] When mandatory encryption on share, fail mount
X-Git-Tag: v3.0-rc1~43^2~7
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=6848b7334b24b47aa3d0e70342ff839ffa95d5fa;p=pandora-kernel.git

[CIFS] When mandatory encryption on share, fail mount

    When mandatory encryption is configured in samba server on a
    share (smb.conf parameter "smb encrypt = mandatory") the
    server will hang up the tcp session when we try to send
    the first frame after the tree connect if it is not a
    QueryFSUnixInfo, this causes cifs mount to hang (it must
    be killed with ctl-c).  Move the QueryFSUnixInfo call
    earlier in the mount sequence, and check whether the SetFSUnixInfo
    fails due to mandatory encryption so we can return a sensible
    error (EACCES) on mount.

    In a future patch (for 2.6.40) we will support mandatory
    encryption.

CC: Stable <stable@kernel.org>
Reviewed-by: Pavel Shilovsky <piastry@etersoft.ru>
Signed-off-by: Steve French <sfrench@us.ibm.com>
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