From 7cdbac71f911494aa7d0343be23c092ca84a5ed4 Mon Sep 17 00:00:00 2001
From: Patrick McHardy <kaber@trash.net>
Date: Tue, 11 Jun 2013 02:52:47 -0700
Subject: [PATCH] netlink: fix error propagation in netlink_mmap()

Return the error if something went wrong instead of unconditionally
returning 0.

Signed-off-by: Patrick McHardy <kaber@trash.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Reading git-format-patch failed