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| author | Lachlan McIlroy <lachlan@redback.melbourne.sgi.com> | 2008-02-26 14:26:14 +1100 |
|---|---|---|
| committer | Lachlan McIlroy <lachlan@redback.melbourne.sgi.com> | 2008-02-26 14:26:14 +1100 |
| commit | 91e229bbad6524aabaac8717b2f559283670c37a (patch) | |
| tree | 84a55e4ac2dcf23add97bd9fde3e9cb232c12b30 /net/ipv4/arp.c | |
| parent | 6e5e93424dc66542c548dfaa3bfebe30d46d50dd (diff) | |
| parent | bfa274e2436fc7ef72ef51c878083647f1cfd429 (diff) | |
Merge git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux-2.6 into for-linus
Diffstat (limited to 'net/ipv4/arp.c')
| -rw-r--r-- | net/ipv4/arp.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/net/ipv4/arp.c b/net/ipv4/arp.c index c663fa5339e..8e17f65f400 100644 --- a/net/ipv4/arp.c +++ b/net/ipv4/arp.c @@ -368,6 +368,7 @@ static void arp_solicit(struct neighbour *neigh, struct sk_buff *skb) if (!(neigh->nud_state&NUD_VALID)) printk(KERN_DEBUG "trying to ucast probe in NUD_INVALID\n"); dst_ha = neigh->ha; + read_lock_bh(&neigh->lock); } else if ((probes -= neigh->parms->app_probes) < 0) { #ifdef CONFIG_ARPD neigh_app_ns(neigh); @@ -377,6 +378,8 @@ static void arp_solicit(struct neighbour *neigh, struct sk_buff *skb) arp_send(ARPOP_REQUEST, ETH_P_ARP, target, dev, saddr, dst_ha, dev->dev_addr, NULL); + if (dst_ha) + read_unlock_bh(&neigh->lock); } static int arp_ignore(struct in_device *in_dev, __be32 sip, __be32 tip) |