From b8f07a063163f8216cd891c5b007e839a56b6d93 Mon Sep 17 00:00:00 2001
From: Al Viro <viro@ZenIV.linux.org.uk>
Date: Sun, 5 Jun 2011 00:54:03 +0000
Subject: [PATCH] fix return values of l2tp_dfs_seq_open()

More fallout from struct net lifetime rules review: PTR_ERR() is *already*
negative and failing ->open() should return negatives on failure.

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: James Chapman <jchapman@katalix.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Reading git-format-patch failed