diff options
author | Asias He <asias@redhat.com> | 2013-06-20 17:20:30 +0800 |
---|---|---|
committer | David S. Miller <davem@davemloft.net> | 2013-06-23 23:51:48 -0700 |
commit | b3a6dfe8178c5159e54117078134fef806a913ca (patch) | |
tree | 0e6317b55b00302124e3b55425ad9edfa2da3d99 | |
parent | b33698e267ff17a97ecf3ee621a925bb356e9120 (diff) | |
download | op-kernel-dev-b3a6dfe8178c5159e54117078134fef806a913ca.zip op-kernel-dev-b3a6dfe8178c5159e54117078134fef806a913ca.tar.gz |
VSOCK: Introduce vsock_auto_bind helper
This peace of code is called three times, let's have a helper for it.
Signed-off-by: Asias He <asias@redhat.com>
Acked-by: Andy King <acking@vmware.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
-rw-r--r-- | net/vmw_vsock/af_vsock.c | 49 |
1 files changed, 21 insertions, 28 deletions
diff --git a/net/vmw_vsock/af_vsock.c b/net/vmw_vsock/af_vsock.c index 3f77f42..b0b362a 100644 --- a/net/vmw_vsock/af_vsock.c +++ b/net/vmw_vsock/af_vsock.c @@ -165,6 +165,18 @@ static struct list_head vsock_bind_table[VSOCK_HASH_SIZE + 1]; static struct list_head vsock_connected_table[VSOCK_HASH_SIZE]; static DEFINE_SPINLOCK(vsock_table_lock); +/* Autobind this socket to the local address if necessary. */ +static int vsock_auto_bind(struct vsock_sock *vsk) +{ + struct sock *sk = sk_vsock(vsk); + struct sockaddr_vm local_addr; + + if (vsock_addr_bound(&vsk->local_addr)) + return 0; + vsock_addr_init(&local_addr, VMADDR_CID_ANY, VMADDR_PORT_ANY); + return __vsock_bind(sk, &local_addr); +} + static void vsock_init_tables(void) { int i; @@ -956,15 +968,10 @@ static int vsock_dgram_sendmsg(struct kiocb *kiocb, struct socket *sock, lock_sock(sk); - if (!vsock_addr_bound(&vsk->local_addr)) { - struct sockaddr_vm local_addr; - - vsock_addr_init(&local_addr, VMADDR_CID_ANY, VMADDR_PORT_ANY); - err = __vsock_bind(sk, &local_addr); - if (err != 0) - goto out; + err = vsock_auto_bind(vsk); + if (err) + goto out; - } /* If the provided message contains an address, use that. Otherwise * fall back on the socket's remote handle (if it has been connected). @@ -1038,15 +1045,9 @@ static int vsock_dgram_connect(struct socket *sock, lock_sock(sk); - if (!vsock_addr_bound(&vsk->local_addr)) { - struct sockaddr_vm local_addr; - - vsock_addr_init(&local_addr, VMADDR_CID_ANY, VMADDR_PORT_ANY); - err = __vsock_bind(sk, &local_addr); - if (err != 0) - goto out; - - } + err = vsock_auto_bind(vsk); + if (err) + goto out; if (!transport->dgram_allow(remote_addr->svm_cid, remote_addr->svm_port)) { @@ -1163,17 +1164,9 @@ static int vsock_stream_connect(struct socket *sock, struct sockaddr *addr, memcpy(&vsk->remote_addr, remote_addr, sizeof(vsk->remote_addr)); - /* Autobind this socket to the local address if necessary. */ - if (!vsock_addr_bound(&vsk->local_addr)) { - struct sockaddr_vm local_addr; - - vsock_addr_init(&local_addr, VMADDR_CID_ANY, - VMADDR_PORT_ANY); - err = __vsock_bind(sk, &local_addr); - if (err != 0) - goto out; - - } + err = vsock_auto_bind(vsk); + if (err) + goto out; sk->sk_state = SS_CONNECTING; |