mirror of https://gitee.com/openkylin/linux.git
[INET]: Let inet_ctl_sock_create return sock rather than socket.
All upper protocol layers are already use sock internally. Signed-off-by: Denis V. Lunev <den@openvz.org> Acked-by: Arnaldo Carvalho de Melo <acme@redhat.com> Signed-off-by: David S. Miller <davem@davemloft.net>
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8258175c81
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@ -39,7 +39,7 @@ extern int inet_getname(struct socket *sock,
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extern int inet_ioctl(struct socket *sock,
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unsigned int cmd, unsigned long arg);
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extern int inet_ctl_sock_create(struct socket **sock,
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extern int inet_ctl_sock_create(struct sock **sk,
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unsigned short family,
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unsigned short type,
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unsigned char protocol);
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@ -991,7 +991,6 @@ static struct inet_protosw dccp_v4_protosw = {
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static int __init dccp_v4_init(void)
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{
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struct socket *socket;
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int err = proto_register(&dccp_v4_prot, 1);
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if (err != 0)
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@ -1003,11 +1002,10 @@ static int __init dccp_v4_init(void)
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inet_register_protosw(&dccp_v4_protosw);
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err = inet_ctl_sock_create(&socket, PF_INET,
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err = inet_ctl_sock_create(&dccp_v4_ctl_sk, PF_INET,
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SOCK_DCCP, IPPROTO_DCCP);
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if (err)
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goto out_unregister_protosw;
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dccp_v4_ctl_sk = socket->sk;
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out:
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return err;
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out_unregister_protosw:
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@ -1173,7 +1173,6 @@ static struct inet_protosw dccp_v6_protosw = {
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static int __init dccp_v6_init(void)
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{
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struct socket *socket;
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int err = proto_register(&dccp_v6_prot, 1);
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if (err != 0)
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@ -1185,11 +1184,10 @@ static int __init dccp_v6_init(void)
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inet6_register_protosw(&dccp_v6_protosw);
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err = inet_ctl_sock_create(&socket, PF_INET6,
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err = inet_ctl_sock_create(&dccp_v6_ctl_sk, PF_INET6,
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SOCK_DCCP, IPPROTO_DCCP);
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if (err != 0)
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goto out_unregister_protosw;
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dccp_v6_ctl_sk = socket->sk;
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out:
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return err;
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out_unregister_protosw:
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@ -1250,19 +1250,21 @@ static struct sk_buff *inet_gso_segment(struct sk_buff *skb, int features)
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return segs;
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}
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int inet_ctl_sock_create(struct socket **sock, unsigned short family,
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int inet_ctl_sock_create(struct sock **sk, unsigned short family,
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unsigned short type, unsigned char protocol)
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{
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int rc = sock_create_kern(family, type, protocol, sock);
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struct socket *sock;
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int rc = sock_create_kern(family, type, protocol, &sock);
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if (rc == 0) {
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(*sock)->sk->sk_allocation = GFP_ATOMIC;
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inet_sk((*sock)->sk)->uc_ttl = -1;
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*sk = sock->sk;
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(*sk)->sk_allocation = GFP_ATOMIC;
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inet_sk(*sk)->uc_ttl = -1;
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/*
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* Unhash it so that IP input processing does not even see it,
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* we do not wish this socket to see incoming packets.
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*/
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(*sock)->sk->sk_prot->unhash((*sock)->sk);
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(*sk)->sk_prot->unhash(*sk);
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}
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return rc;
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}
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@ -2490,11 +2490,9 @@ struct proto tcp_prot = {
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void __init tcp_v4_init(void)
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{
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struct socket *__tcp_socket;
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if (inet_ctl_sock_create(&__tcp_socket, PF_INET, SOCK_RAW,
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if (inet_ctl_sock_create(&tcp_sock, PF_INET, SOCK_RAW,
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IPPROTO_TCP) < 0)
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panic("Failed to create the TCP control socket.\n");
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tcp_sock = __tcp_socket->sk;
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}
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EXPORT_SYMBOL(ipv4_specific);
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@ -2200,14 +2200,13 @@ static struct inet_protosw tcpv6_protosw = {
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static int tcpv6_net_init(struct net *net)
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{
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int err;
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struct socket *sock;
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struct sock *sk;
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err = inet_ctl_sock_create(&sock, PF_INET6, SOCK_RAW, IPPROTO_TCP);
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err = inet_ctl_sock_create(&sk, PF_INET6, SOCK_RAW, IPPROTO_TCP);
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if (err)
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return err;
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net->ipv6.tcp_sk = sk = sock->sk;
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net->ipv6.tcp_sk = sk;
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sk_change_net(sk, net);
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return err;
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}
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@ -674,21 +674,19 @@ static int sctp_ctl_sock_init(void)
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{
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int err;
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sa_family_t family;
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struct socket *socket;
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if (sctp_get_pf_specific(PF_INET6))
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family = PF_INET6;
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else
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family = PF_INET;
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err = inet_ctl_sock_create(&socket, family,
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err = inet_ctl_sock_create(&sctp_ctl_sock, family,
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SOCK_SEQPACKET, IPPROTO_SCTP);
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if (err < 0) {
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printk(KERN_ERR
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"SCTP: Failed to create the SCTP control socket.\n");
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return err;
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}
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sctp_ctl_sock = socket->sk;
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return 0;
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}
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