ipv4: fix ip_rt_update_pmtu()
commit 2c8cec5c10bc (Cache learned PMTU information in inetpeer) added
an extra inet_putpeer() call in ip_rt_update_pmtu().
This results in various problems, since we can free one inetpeer, while
it is still in use.
Ref: http://www.spinics.net/lists/netdev/msg159121.html
Reported-by: Alexander Beregalov <a.beregalov@gmail.com>
Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/net/ipv4/route.c b/net/ipv4/route.c
index 870b518..34921b0 100644
--- a/net/ipv4/route.c
+++ b/net/ipv4/route.c
@@ -1593,8 +1593,6 @@
rt->rt_peer_genid = rt_peer_genid();
}
check_peer_pmtu(dst, peer);
-
- inet_putpeer(peer);
}
}