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authorEric Dumazet <eric.dumazet@gmail.com>2011-03-23 15:18:15 -0400
committerDavid S. Miller <davem@davemloft.net>2011-03-23 15:18:15 -0400
commiteb49a97363f020c1d7eef8bcd93865726b1fa11d (patch)
treec6012d720a51e20fd2b27c45cbe68788652078d1
parent406b6f974dae76a5b795d5c251d11c979a4e509b (diff)
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>
-rw-r--r--net/ipv4/route.c2
1 files changed, 0 insertions, 2 deletions
diff --git a/net/ipv4/route.c b/net/ipv4/route.c
index 870b5182ddd8..34921b0d3f8e 100644
--- a/net/ipv4/route.c
+++ b/net/ipv4/route.c
@@ -1593,8 +1593,6 @@ static void ip_rt_update_pmtu(struct dst_entry *dst, u32 mtu)
1593 rt->rt_peer_genid = rt_peer_genid(); 1593 rt->rt_peer_genid = rt_peer_genid();
1594 } 1594 }
1595 check_peer_pmtu(dst, peer); 1595 check_peer_pmtu(dst, peer);
1596
1597 inet_putpeer(peer);
1598 } 1596 }
1599} 1597}
1600 1598