From: Trond Myklebust <Trond.Myklebust@netapp.com>
Date: Wed, 16 Jan 2013 20:05:44 +0000 (-0500)
Subject: NFS: Fix error reporting in nfs_xdev_mount
X-Git-Tag: v3.8-rc6~3^2~6
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=dee972b967ae111ad5705733de17a3bfc4632311;p=pandora-kernel.git

NFS: Fix error reporting in nfs_xdev_mount

Currently, nfs_xdev_mount converts all errors from clone_server() to
ENOMEM, which can then leak to userspace (for instance to 'mount'). Fix that.
Also ensure that if nfs_fs_mount_common() returns an error, we
don't dprintk(0)...

The regression originated in commit 3d176e3fe4f6dc379b252bf43e2e146a8f7caf01
(NFS: Use nfs_fs_mount_common() for xdev mounts)

Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
Cc: stable@vger.kernel.org [>= 3.5]
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