Merge branch 'master' of master.kernel.org:/pub/scm/linux/kernel/git/davem/net-2.6

[net-next-2.6.git] / net / decnet / af_decnet.c

diff --git a/net/decnet/af_decnet.c b/net/decnet/af_decnet.c
index a76b78de679fa7e928cfae7b62c0a7e73c2256dd..9ecef9968c3940026deefba772fa568af7237bcc 100644 (file)
--- a/net/decnet/af_decnet.c
+++ b/net/decnet/af_decnet.c
@@ -1848,7 +1848,7 @@ unsigned dn_mss_from_pmtu(struct net_device *dev, int mtu)
 {
        unsigned mss = 230 - DN_MAX_NSP_DATA_HEADER;
        if (dev) {
-               struct dn_dev *dn_db = dev->dn_ptr;
+               struct dn_dev *dn_db = rcu_dereference_raw(dev->dn_ptr);
                mtu -= LL_RESERVED_SPACE(dev);
                if (dn_db->use_long)
                        mtu -= 21;