[ICSK]: Introduce inet_csk_ctl_sock_create
Consolidating open coded sequences in tcp and dccp, v4 and v6.
Signed-off-by: Arnaldo Carvalho de Melo <acme@mandriva.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/net/ipv4/inet_connection_sock.c b/net/ipv4/inet_connection_sock.c
index ae20281..359f48c 100644
--- a/net/ipv4/inet_connection_sock.c
+++ b/net/ipv4/inet_connection_sock.c
@@ -648,3 +648,22 @@
}
EXPORT_SYMBOL_GPL(inet_csk_addr2sockaddr);
+
+int inet_csk_ctl_sock_create(struct socket **sock, unsigned short family,
+ unsigned short type, unsigned char protocol)
+{
+ int rc = sock_create_kern(family, type, protocol, sock);
+
+ if (rc == 0) {
+ (*sock)->sk->sk_allocation = GFP_ATOMIC;
+ inet_sk((*sock)->sk)->uc_ttl = -1;
+ /*
+ * Unhash it so that IP input processing does not even see it,
+ * we do not wish this socket to see incoming packets.
+ */
+ (*sock)->sk->sk_prot->unhash((*sock)->sk);
+ }
+ return rc;
+}
+
+EXPORT_SYMBOL_GPL(inet_csk_ctl_sock_create);
diff --git a/net/ipv4/tcp_ipv4.c b/net/ipv4/tcp_ipv4.c
index 57e7a26..4eb903d 100644
--- a/net/ipv4/tcp_ipv4.c
+++ b/net/ipv4/tcp_ipv4.c
@@ -1828,21 +1828,10 @@
.rsk_prot = &tcp_request_sock_ops,
};
-
-
void __init tcp_v4_init(struct net_proto_family *ops)
{
- int err = sock_create_kern(PF_INET, SOCK_RAW, IPPROTO_TCP, &tcp_socket);
- if (err < 0)
+ if (inet_csk_ctl_sock_create(&tcp_socket, PF_INET, SOCK_RAW, IPPROTO_TCP) < 0)
panic("Failed to create the TCP control socket.\n");
- tcp_socket->sk->sk_allocation = GFP_ATOMIC;
- inet_sk(tcp_socket->sk)->uc_ttl = -1;
-
- /* Unhash it so that IP input processing does not even
- * see it, we do not wish this socket to see incoming
- * packets.
- */
- tcp_socket->sk->sk_prot->unhash(tcp_socket->sk);
}
EXPORT_SYMBOL(ipv4_specific);