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Date: Thu, 22 Dec 2011 07:00:32 +0100 From: Eric Dumazet <eric.dumazet@...il.com> To: Chris Boot <bootc@...tc.net>, David Miller <davem@...emloft.net> Cc: lkml <linux-kernel@...r.kernel.org>, netdev <netdev@...r.kernel.org>, Steffen Klassert <steffen.klassert@...unet.com> Subject: [PATCH] bridge: provide a mtu() method for fake_dst_ops Commit 618f9bc74a039da76 (net: Move mtu handling down to the protocol depended handlers) forgot the bridge netfilter case, adding a NULL dereference in ip_fragment(). Reported-by: Chris Boot <bootc@...tc.net> CC: Steffen Klassert <steffen.klassert@...unet.com> Signed-off-by: Eric Dumazet <eric.dumazet@...il.com> --- net/bridge/br_netfilter.c | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/net/bridge/br_netfilter.c b/net/bridge/br_netfilter.c index d6ec372..08757dc 100644 --- a/net/bridge/br_netfilter.c +++ b/net/bridge/br_netfilter.c @@ -114,12 +114,18 @@ static struct neighbour *fake_neigh_lookup(const struct dst_entry *dst, const vo return NULL; } +static unsigned int fake_mtu(const struct dst_entry *dst) +{ + return dst->dev->mtu; +} + static struct dst_ops fake_dst_ops = { .family = AF_INET, .protocol = cpu_to_be16(ETH_P_IP), .update_pmtu = fake_update_pmtu, .cow_metrics = fake_cow_metrics, .neigh_lookup = fake_neigh_lookup, + .mtu = fake_mtu, }; /* -- To unsubscribe from this list: send the line "unsubscribe netdev" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
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