From 79e0f1c9f2c7096e93879d4158f2d34142b693dd Mon Sep 17 00:00:00 2001
From: Tom Herbert <therbert@google.com>
Date: Mon, 5 May 2014 16:43:58 -0700
Subject: [PATCH] ipv6: Need to sock_put on csum error

Commit 4068579e1e098fa81d48db9ba4432ab664c58561 ("net: Implmement
RFC 6936 (zero RX csums for UDP/IPv6)") introduced zero checksums
being allowed for IPv6, but in the case that a socket disallows a
zero checksum on RX we need to sock_put.

Signed-off-by: Tom Herbert <therbert@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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