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| author | Eric Dumazet <eric.dumazet@gmail.com> | 2010-09-15 08:04:31 +0400 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2010-09-16 09:06:05 +0400 |
| commit | 95ae6b228f814fc0528d0506ee9f18ac333d6851 (patch) | |
| tree | d5287f3dee478e1bd5fa79e63192447c5bc91e92 /net/ipv4/devinet.c | |
| parent | 9e0064a5456fd75fd7c70f6f3692c7f732f91a65 (diff) | |
| download | linux-95ae6b228f814fc0528d0506ee9f18ac333d6851.tar.xz | |
ipv4: ip_ptr cleanups
dev->ip_ptr is protected by rtnl and rcu.
Yet some places dont use appropriate primitives and/or locking rules.
Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/ipv4/devinet.c')
| -rw-r--r-- | net/ipv4/devinet.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/net/ipv4/devinet.c b/net/ipv4/devinet.c index da14c49284f4..c2ff48fa18c7 100644 --- a/net/ipv4/devinet.c +++ b/net/ipv4/devinet.c @@ -209,7 +209,7 @@ static void inetdev_destroy(struct in_device *in_dev) inet_free_ifa(ifa); } - dev->ip_ptr = NULL; + rcu_assign_pointer(dev->ip_ptr, NULL); devinet_sysctl_unregister(in_dev); neigh_parms_release(&arp_tbl, in_dev->arp_parms); @@ -1059,7 +1059,7 @@ static int inetdev_event(struct notifier_block *this, unsigned long event, switch (event) { case NETDEV_REGISTER: printk(KERN_DEBUG "inetdev_event: bug\n"); - dev->ip_ptr = NULL; + rcu_assign_pointer(dev->ip_ptr, NULL); break; case NETDEV_UP: if (!inetdev_valid_mtu(dev->mtu)) |