diff options
| author | Eric Dumazet <edumazet@google.com> | 2016-08-23 11:39:28 -0700 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2016-08-23 23:25:29 -0700 |
| commit | 391bb6be6578829540bc466fc85da44a68148b84 (patch) | |
| tree | cf9fc107054048a5d19a4f137af56dcd2244d095 /net/ipv6/tcp_ipv6.c | |
| parent | 4cac8204661a6d1a842e47911933f1e90b392c84 (diff) | |
ipv6: tcp: get rid of tcp_v6_clear_sk()
Now RCU lookups of IPv6 TCP sockets no longer dereference pinet6,
we do not need tcp_v6_clear_sk() anymore.
Signed-off-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/ipv6/tcp_ipv6.c')
| -rw-r--r-- | net/ipv6/tcp_ipv6.c | 12 |
1 files changed, 0 insertions, 12 deletions
diff --git a/net/ipv6/tcp_ipv6.c b/net/ipv6/tcp_ipv6.c index 33df8b8575cc..e0f46439e391 100644 --- a/net/ipv6/tcp_ipv6.c +++ b/net/ipv6/tcp_ipv6.c @@ -1862,17 +1862,6 @@ void tcp6_proc_exit(struct net *net) } #endif -static void tcp_v6_clear_sk(struct sock *sk, int size) -{ - struct inet_sock *inet = inet_sk(sk); - - /* we do not want to clear pinet6 field, because of RCU lookups */ - sk_prot_clear_nulls(sk, offsetof(struct inet_sock, pinet6)); - - size -= offsetof(struct inet_sock, pinet6) + sizeof(inet->pinet6); - memset(&inet->pinet6 + 1, 0, size); -} - struct proto tcpv6_prot = { .name = "TCPv6", .owner = THIS_MODULE, @@ -1914,7 +1903,6 @@ struct proto tcpv6_prot = { .compat_setsockopt = compat_tcp_setsockopt, .compat_getsockopt = compat_tcp_getsockopt, #endif - .clear_sk = tcp_v6_clear_sk, .diag_destroy = tcp_abort, }; |