summaryrefslogtreecommitdiffstats
path: root/net/ipv6
diff options
context:
space:
mode:
authorEric Dumazet <edumazet@google.com>2017-10-07 19:30:24 -0700
committerDavid S. Miller <davem@davemloft.net>2017-10-08 21:16:30 -0700
commitd9bf82c2f61be534873a37a0631b58761b6d6506 (patch)
treeec386e66fbf912cf151fc4ca924358e2409fbb9b /net/ipv6
parent8ef802aa8ec87a0fec20d28f8f51cad964265902 (diff)
downloadlinux-d9bf82c2f61be534873a37a0631b58761b6d6506.tar.bz2
ipv6: ipv6_count_addresses() 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.c12
1 files changed, 6 insertions, 6 deletions
diff --git a/net/ipv6/addrconf.c b/net/ipv6/addrconf.c
index d1ff0955b709..2e029c8be1f2 100644
--- a/net/ipv6/addrconf.c
+++ b/net/ipv6/addrconf.c
@@ -152,7 +152,7 @@ static void ipv6_regen_rndid(struct inet6_dev *idev);
static void ipv6_try_regen_rndid(struct inet6_dev *idev, struct in6_addr *tmpaddr);
static int ipv6_generate_eui64(u8 *eui, struct net_device *dev);
-static int ipv6_count_addresses(struct inet6_dev *idev);
+static int ipv6_count_addresses(const struct inet6_dev *idev);
static int ipv6_generate_stable_address(struct in6_addr *addr,
u8 dad_count,
const struct inet6_dev *idev);
@@ -1785,15 +1785,15 @@ int ipv6_get_lladdr(struct net_device *dev, struct in6_addr *addr,
return err;
}
-static int ipv6_count_addresses(struct inet6_dev *idev)
+static int ipv6_count_addresses(const struct inet6_dev *idev)
{
+ const struct inet6_ifaddr *ifp;
int cnt = 0;
- struct inet6_ifaddr *ifp;
- read_lock_bh(&idev->lock);
- list_for_each_entry(ifp, &idev->addr_list, if_list)
+ rcu_read_lock();
+ list_for_each_entry_rcu(ifp, &idev->addr_list, if_list)
cnt++;
- read_unlock_bh(&idev->lock);
+ rcu_read_unlock();
return cnt;
}