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ipv6: ip6_ptr rcu annotations

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(struct net_device)->ip6_ptr is rcu protected :

add __rcu annotation and proper rcu primitives.

Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Eric Dumazet 2010-10-24 21:32:05 +00:00 committed by David S. Miller
parent b616b09afa
commit 198caeca3e
2 changed files with 2 additions and 2 deletions
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2
include/linux/netdevice.h
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@ -952,7 +952,7 @@ struct net_device {
void *atalk_ptr; /* AppleTalk link */
struct in_device __rcu *ip_ptr; /* IPv4 specific data */
void *dn_ptr; /* DECnet specific data */
void *ip6_ptr; /* IPv6 specific data */
struct inet6_dev __rcu *ip6_ptr; /* IPv6 specific data */
void *ec_ptr; /* Econet specific data */
void *ax25_ptr; /* AX.25 specific data */
struct wireless_dev *ieee80211_ptr; /* IEEE 802.11 specific data,

2
net/core/dev.c
View File

@ -5416,7 +5416,7 @@ void netdev_run_todo(void)
/* paranoia */
BUG_ON(netdev_refcnt_read(dev));
WARN_ON(rcu_dereference_raw(dev->ip_ptr));
WARN_ON(dev->ip6_ptr);
WARN_ON(rcu_dereference_raw(dev->ip6_ptr));
WARN_ON(dev->dn_ptr);
if (dev->destructor)