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authorLinus Torvalds <torvalds@woody.linux-foundation.org>2008-02-19 07:52:45 -0800
committerLinus Torvalds <torvalds@woody.linux-foundation.org>2008-02-19 07:52:45 -0800
commit07ce198a1eb3431d04a6d59ea9fb7b71f21e33b1 (patch)
treefe6e6208bdcdfb7bbb0c81923efcb75bf73a299b /net/ipv4/arp.c
parent4bc87e62775052aac0be7574d5f84ff06f61c6b4 (diff)
parenta442585952f137bd4cdb1f2f3166e4157d383b82 (diff)
downloadlinux-07ce198a1eb3431d04a6d59ea9fb7b71f21e33b1.tar.bz2
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6: (60 commits) [NIU]: Bump driver version and release date. [NIU]: Fix BMAC alternate MAC address indexing. net: fix kernel-doc warnings in header files [IPV6]: Use BUG_ON instead of if + BUG in fib6_del_route. [IPV6]: dst_entry leak in ip4ip6_err. (resend) bluetooth: do not move child device other than rfcomm bluetooth: put hci dev after del conn [NET]: Elminate spurious print_mac() calls. [BLUETOOTH] hci_sysfs.c: Kill build warning. [NET]: Remove MAC_FMT net/8021q/vlan_dev.c: Use print_mac. [XFRM]: Fix ordering issue in xfrm_dst_hash_transfer(). [BLUETOOTH] net/bluetooth/hci_core.c: Use time_* macros [IPV6]: Fix hardcoded removing of old module code [NETLABEL]: Move some initialization code into __init section. [NETLABEL]: Shrink the genl-ops registration code. [AX25] ax25_out: check skb for NULL in ax25_kick() [TCP]: Fix tcp_v4_send_synack() comment [IPV4]: fix alignment of IP-Config output Documentation: fix tcp.txt ...
Diffstat (limited to 'net/ipv4/arp.c')
-rw-r--r--net/ipv4/arp.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/net/ipv4/arp.c b/net/ipv4/arp.c
index c663fa5339ee..8e17f65f4002 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)