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| author | Ingo Molnar <mingo@elte.hu> | 2009-10-29 09:02:15 +0100 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2009-10-29 09:02:20 +0100 |
| commit | 9de09ace8d518141a4375e1d216ab64db4377799 (patch) | |
| tree | da8e7a77f4ea91eb3bb73fc6da72ecf8c99e1c16 /net/ipv4/devinet.c | |
| parent | 1beee96bae0daf7f491356777c3080cc436950f5 (diff) | |
| parent | 6d3f1e12f46a2f9a1bb7e7aa433df8dd31ce5647 (diff) | |
| download | op-kernel-dev-9de09ace8d518141a4375e1d216ab64db4377799.zip op-kernel-dev-9de09ace8d518141a4375e1d216ab64db4377799.tar.gz | |
Merge branch 'tracing/urgent' into tracing/core
Merge reason: Pick up fixes and move base from -rc1 to -rc5.
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'net/ipv4/devinet.c')
| -rw-r--r-- | net/ipv4/devinet.c | 16 |
1 files changed, 10 insertions, 6 deletions
diff --git a/net/ipv4/devinet.c b/net/ipv4/devinet.c index e92f1fd..5df2f6a 100644 --- a/net/ipv4/devinet.c +++ b/net/ipv4/devinet.c @@ -1077,12 +1077,16 @@ static int inetdev_event(struct notifier_block *this, unsigned long event, ip_mc_up(in_dev); /* fall through */ case NETDEV_CHANGEADDR: - if (IN_DEV_ARP_NOTIFY(in_dev)) - arp_send(ARPOP_REQUEST, ETH_P_ARP, - in_dev->ifa_list->ifa_address, - dev, - in_dev->ifa_list->ifa_address, - NULL, dev->dev_addr, NULL); + /* Send gratuitous ARP to notify of link change */ + if (IN_DEV_ARP_NOTIFY(in_dev)) { + struct in_ifaddr *ifa = in_dev->ifa_list; + + if (ifa) + arp_send(ARPOP_REQUEST, ETH_P_ARP, + ifa->ifa_address, dev, + ifa->ifa_address, NULL, + dev->dev_addr, NULL); + } break; case NETDEV_DOWN: ip_mc_down(in_dev); |
