diff options
| author | Kuniyuki Iwashima <kuniyu@amazon.com> | 2025-01-15 09:06:03 +0100 |
|---|---|---|
| committer | Jakub Kicinski <kuba@kernel.org> | 2025-01-20 21:16:05 +0100 |
| commit | 832128cc4438ab69c801bc6130756203eae1198e (patch) | |
| tree | 28c2b6a5cd9384f791ded62719dc32a6ccd1113d /net/ipv6/addrconf.c | |
| parent | ipv6: Hold rtnl_net_lock() in addrconf_init() and addrconf_cleanup(). (diff) | |
| download | linux-832128cc4438ab69c801bc6130756203eae1198e.tar.xz linux-832128cc4438ab69c801bc6130756203eae1198e.zip | |
ipv6: Convert inet6_ioctl() to per-netns RTNL.
These functions are called from inet6_ioctl() with a socket's netns
and hold RTNL.
* SIOCSIFADDR : addrconf_add_ifaddr()
* SIOCDIFADDR : addrconf_del_ifaddr()
* SIOCSIFDSTADDR : addrconf_set_dstaddr()
Let's use rtnl_net_lock().
Signed-off-by: Kuniyuki Iwashima <kuniyu@amazon.com>
Link: https://patch.msgid.link/20250115080608.28127-7-kuniyu@amazon.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Diffstat (limited to '')
| -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 4d1ec290a259..9c7257b28a84 100644 --- a/net/ipv6/addrconf.c +++ b/net/ipv6/addrconf.c @@ -2979,11 +2979,11 @@ int addrconf_set_dstaddr(struct net *net, void __user *arg) if (copy_from_user(&ireq, arg, sizeof(struct in6_ifreq))) return -EFAULT; - rtnl_lock(); + rtnl_net_lock(net); dev = __dev_get_by_index(net, ireq.ifr6_ifindex); if (dev && dev->type == ARPHRD_SIT) err = addrconf_set_sit_dstaddr(net, dev, &ireq); - rtnl_unlock(); + rtnl_net_unlock(net); return err; } @@ -3181,9 +3181,9 @@ int addrconf_add_ifaddr(struct net *net, void __user *arg) cfg.pfx = &ireq.ifr6_addr; cfg.plen = ireq.ifr6_prefixlen; - rtnl_lock(); + rtnl_net_lock(net); err = inet6_addr_add(net, ireq.ifr6_ifindex, &cfg, NULL); - rtnl_unlock(); + rtnl_net_unlock(net); return err; } @@ -3198,10 +3198,10 @@ int addrconf_del_ifaddr(struct net *net, void __user *arg) if (copy_from_user(&ireq, arg, sizeof(struct in6_ifreq))) return -EFAULT; - rtnl_lock(); + rtnl_net_lock(net); err = inet6_addr_del(net, ireq.ifr6_ifindex, 0, &ireq.ifr6_addr, ireq.ifr6_prefixlen, NULL); - rtnl_unlock(); + rtnl_net_unlock(net); return err; } |