diff options
| -rw-r--r-- | net/sctp/ipv6.c | 19 |
1 files changed, 11 insertions, 8 deletions
diff --git a/net/sctp/ipv6.c b/net/sctp/ipv6.c index bacd6a7318be..cc50fbe99291 100644 --- a/net/sctp/ipv6.c +++ b/net/sctp/ipv6.c | |||
| @@ -837,15 +837,16 @@ static int sctp_inet6_bind_verify(struct sctp_sock *opt, union sctp_addr *addr) | |||
| 837 | if (type & IPV6_ADDR_LINKLOCAL) { | 837 | if (type & IPV6_ADDR_LINKLOCAL) { |
| 838 | if (!addr->v6.sin6_scope_id) | 838 | if (!addr->v6.sin6_scope_id) |
| 839 | return 0; | 839 | return 0; |
| 840 | dev = dev_get_by_index(&init_net, addr->v6.sin6_scope_id); | 840 | rcu_read_lock(); |
| 841 | if (!dev) | 841 | dev = dev_get_by_index_rcu(&init_net, |
| 842 | return 0; | 842 | addr->v6.sin6_scope_id); |
| 843 | if (!ipv6_chk_addr(&init_net, &addr->v6.sin6_addr, | 843 | if (!dev || |
| 844 | !ipv6_chk_addr(&init_net, &addr->v6.sin6_addr, | ||
| 844 | dev, 0)) { | 845 | dev, 0)) { |
| 845 | dev_put(dev); | 846 | rcu_read_unlock(); |
| 846 | return 0; | 847 | return 0; |
| 847 | } | 848 | } |
| 848 | dev_put(dev); | 849 | rcu_read_unlock(); |
| 849 | } else if (type == IPV6_ADDR_MAPPED) { | 850 | } else if (type == IPV6_ADDR_MAPPED) { |
| 850 | if (!opt->v4mapped) | 851 | if (!opt->v4mapped) |
| 851 | return 0; | 852 | return 0; |
| @@ -873,10 +874,12 @@ static int sctp_inet6_send_verify(struct sctp_sock *opt, union sctp_addr *addr) | |||
| 873 | if (type & IPV6_ADDR_LINKLOCAL) { | 874 | if (type & IPV6_ADDR_LINKLOCAL) { |
| 874 | if (!addr->v6.sin6_scope_id) | 875 | if (!addr->v6.sin6_scope_id) |
| 875 | return 0; | 876 | return 0; |
| 876 | dev = dev_get_by_index(&init_net, addr->v6.sin6_scope_id); | 877 | rcu_read_lock(); |
| 878 | dev = dev_get_by_index_rcu(&init_net, | ||
| 879 | addr->v6.sin6_scope_id); | ||
| 880 | rcu_read_unlock(); | ||
| 877 | if (!dev) | 881 | if (!dev) |
| 878 | return 0; | 882 | return 0; |
| 879 | dev_put(dev); | ||
| 880 | } | 883 | } |
| 881 | af = opt->pf->af; | 884 | af = opt->pf->af; |
| 882 | } | 885 | } |