Donate to e Foundation | Murena handsets with /e/OS | Own a part of Murena! Learn more

Commit 47e26941 authored by Eric Dumazet's avatar Eric Dumazet Committed by David S. Miller
Browse files

ipv6: ipv6_chk_custom_prefix() rcu conversion 



Signed-off-by: default avatarEric Dumazet <edumazet@google.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent d9bf82c2

net/ipv6/addrconf.c

+3 −5
Original line number Original line Diff line number Diff line
@@ -1859,20 +1859,18 @@ static bool ipv6_chk_same_addr(struct net *net, const struct in6_addr *addr, 
bool ipv6_chk_custom_prefix(const struct in6_addr *addr,

bool ipv6_chk_custom_prefix(const struct in6_addr *addr,

	const unsigned int prefix_len, struct net_device *dev)

	const unsigned int prefix_len, struct net_device *dev)

{

{

	struct inet6_dev *idev;

	const struct inet6_ifaddr *ifa;

	struct inet6_ifaddr *ifa;

	const struct inet6_dev *idev;

	bool ret = false;

	bool ret = false;





	rcu_read_lock();

	rcu_read_lock();

	idev = __in6_dev_get(dev);

	idev = __in6_dev_get(dev);

	if (idev) {

	if (idev) {

		read_lock_bh(&idev->lock);

		list_for_each_entry_rcu(ifa, &idev->addr_list, if_list) {

		list_for_each_entry(ifa, &idev->addr_list, if_list) {

			ret = ipv6_prefix_equal(addr, &ifa->addr, prefix_len);

			ret = ipv6_prefix_equal(addr, &ifa->addr, prefix_len);

			if (ret)

			if (ret)

				break;

				break;

		}

		}

		read_unlock_bh(&idev->lock);

	}

	}

	rcu_read_unlock();

	rcu_read_unlock();