diff options
author | Kuniyuki Iwashima <kuniyu@amazon.com> | 2024-10-21 11:32:35 -0700 |
---|---|---|
committer | Paolo Abeni <pabeni@redhat.com> | 2024-10-29 11:54:57 +0100 |
commit | c350c4761e7f4767dea59aef036ce13276466fd0 (patch) | |
tree | 50e673b201df32015f4337a07e3b635a45217f2b /net | |
parent | 4df5066f079cfbc563c2da031b02b4ba2d9e1ba0 (diff) |
ipv4: Convert check_lifetime() to per-netns RTNL.
Since commit 1675f385213e ("ipv4: Namespacify IPv4 address GC."),
check_lifetime() works on a per-netns basis.
Let's use rtnl_net_lock() and rtnl_net_dereference().
Signed-off-by: Kuniyuki Iwashima <kuniyu@amazon.com>
Reviewed-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
Diffstat (limited to 'net')
-rw-r--r-- | net/ipv4/devinet.c | 9 |
1 files changed, 5 insertions, 4 deletions
diff --git a/net/ipv4/devinet.c b/net/ipv4/devinet.c index 6b7780e12f34..5eaef3bbb987 100644 --- a/net/ipv4/devinet.c +++ b/net/ipv4/devinet.c @@ -771,7 +771,8 @@ static void check_lifetime(struct work_struct *work) rcu_read_unlock(); if (!change_needed) continue; - rtnl_lock(); + + rtnl_net_lock(net); hlist_for_each_entry_safe(ifa, n, head, addr_lst) { unsigned long age; @@ -788,7 +789,7 @@ static void check_lifetime(struct work_struct *work) struct in_ifaddr *tmp; ifap = &ifa->ifa_dev->ifa_list; - tmp = rtnl_dereference(*ifap); + tmp = rtnl_net_dereference(net, *ifap); while (tmp) { if (tmp == ifa) { inet_del_ifa(ifa->ifa_dev, @@ -796,7 +797,7 @@ static void check_lifetime(struct work_struct *work) break; } ifap = &tmp->ifa_next; - tmp = rtnl_dereference(*ifap); + tmp = rtnl_net_dereference(net, *ifap); } } else if (ifa->ifa_preferred_lft != INFINITY_LIFE_TIME && @@ -806,7 +807,7 @@ static void check_lifetime(struct work_struct *work) rtmsg_ifa(RTM_NEWADDR, ifa, NULL, 0); } } - rtnl_unlock(); + rtnl_net_unlock(net); } next_sec = round_jiffies_up(next); |