Kernel/linux-next
1
0
Fork 0
mirror of https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git synced 2025-01-09 07:23:14 +00:00
Code Issues Actions Packages Projects Releases Wiki Activity

ipv6: ipv6_chk_prefix() rcu conversion

Browse Source 
Signed-off-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Eric Dumazet 2017-10-07 19:30:26 -07:00 committed by David S. Miller
parent 47e26941f7
commit 24ba333b2c
1 changed files with 3 additions and 5 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

8
net/ipv6/addrconf.c
View File

@ -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;