diff options
| author | Eric Dumazet <edumazet@google.com> | 2017-10-07 19:30:26 -0700 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2017-10-08 21:16:30 -0700 |
| commit | 24ba333b2c1a609fc17214ceb215e19bd9d54951 (patch) | |
| tree | fa28683fd560a0c488a7347164294883b706080c /net/ipv6 | |
| parent | 47e26941f78d6ec03c5dd547425409f1f7852ff5 (diff) | |
ipv6: ipv6_chk_prefix() rcu conversion
Signed-off-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/ipv6')
| -rw-r--r-- | net/ipv6/addrconf.c | 8 |
1 files changed, 3 insertions, 5 deletions
diff --git a/net/ipv6/addrconf.c b/net/ipv6/addrconf.c index 33ee84c2512b..ea63442209bf 100644 --- a/net/ipv6/addrconf.c +++ b/net/ipv6/addrconf.c @@ -1880,22 +1880,20 @@ EXPORT_SYMBOL(ipv6_chk_custom_prefix); int ipv6_chk_prefix(const struct in6_addr *addr, struct net_device *dev) { - struct inet6_dev *idev; - struct inet6_ifaddr *ifa; + const struct inet6_ifaddr *ifa; + const struct inet6_dev *idev; int onlink; onlink = 0; rcu_read_lock(); idev = __in6_dev_get(dev); if (idev) { - read_lock_bh(&idev->lock); - list_for_each_entry(ifa, &idev->addr_list, if_list) { + list_for_each_entry_rcu(ifa, &idev->addr_list, if_list) { onlink = ipv6_prefix_equal(addr, &ifa->addr, ifa->prefix_len); if (onlink) break; } - read_unlock_bh(&idev->lock); } rcu_read_unlock(); return onlink; |