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| author | Eric Dumazet <edumazet@google.com> | 2017-10-07 19:30:24 -0700 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2017-10-08 21:16:30 -0700 |
| commit | d9bf82c2f61be534873a37a0631b58761b6d6506 (patch) | |
| tree | ec386e66fbf912cf151fc4ca924358e2409fbb9b | |
| parent | 8ef802aa8ec87a0fec20d28f8f51cad964265902 (diff) | |
| download | linux-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>
| -rw-r--r-- | net/ipv6/addrconf.c | 12 |
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; } |