From: Steffen Klassert <steffen.klassert@secunet.com>
Date: Mon, 21 Jan 2013 02:00:03 +0000 (+0000)
Subject: ipv4: Add a socket release callback for datagram sockets
X-Git-Tag: v3.8-rc6~20^2~30
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=8141ed9fcedb278f4a3a78680591bef1e55f75fb;p=pandora-kernel.git

ipv4: Add a socket release callback for datagram sockets

This implements a socket release callback function to check
if the socket cached route got invalid during the time
we owned the socket. The function is used from udp, raw
and ping sockets.

Signed-off-by: Steffen Klassert <steffen.klassert@secunet.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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