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authorEric Dumazet <eric.dumazet@gmail.com>2011-12-21 21:00:32 +0100
committerDavid S. Miller <davem@davemloft.net>2011-12-23 04:34:56 +0100
commita13861a28b90541aa207532d237e7a940f1b1c7b (patch)
tree5e7b03bdd6774897662dfc4e7a4bff09324fd306 /net/bridge
parentMerge branch 'usb-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/gre... (diff)
downloadlinux-a13861a28b90541aa207532d237e7a940f1b1c7b.tar.xz
linux-a13861a28b90541aa207532d237e7a940f1b1c7b.zip
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@bootc.net> CC: Steffen Klassert <steffen.klassert@secunet.com> Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com> Acked-by: Steffen Klassert <steffen.klassert@secunet.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/bridge')
-rw-r--r--net/bridge/br_netfilter.c6
1 files changed, 6 insertions, 0 deletions
diff --git a/net/bridge/br_netfilter.c b/net/bridge/br_netfilter.c
index d6ec3720c77e..08757dc670a4 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,
};
/*