On Sat, Jun 10, 2023 at 12:58:29AM +0000, Bobby Eshleman wrote:
Introduce new reusable function vsock_connectible_lookup_transport()
that performs the transport lookup logic.
No functional change intended.
Signed-off-by: Bobby Eshleman <bobby.eshleman@xxxxxxxxxxxxx>
---
net/vmw_vsock/af_vsock.c | 25 ++++++++++++++++++-------
1 file changed, 18 insertions(+), 7 deletions(-)
Reviewed-by: Stefano Garzarella <sgarzare@xxxxxxxxxx>
diff --git a/net/vmw_vsock/af_vsock.c b/net/vmw_vsock/af_vsock.c
index ffb4dd8b6ea7..74358f0b47fa 100644
--- a/net/vmw_vsock/af_vsock.c
+++ b/net/vmw_vsock/af_vsock.c
@@ -422,6 +422,22 @@ static void vsock_deassign_transport(struct vsock_sock *vsk)
vsk->transport = NULL;
}
+static const struct vsock_transport *
+vsock_connectible_lookup_transport(unsigned int cid, __u8 flags)
+{
+ const struct vsock_transport *transport;
+
+ if (vsock_use_local_transport(cid))
+ transport = transport_local;
+ else if (cid <= VMADDR_CID_HOST || !transport_h2g ||
+ (flags & VMADDR_FLAG_TO_HOST))
+ transport = transport_g2h;
+ else
+ transport = transport_h2g;
+
+ return transport;
+}
+
/* Assign a transport to a socket and call the .init transport callback.
*
* Note: for connection oriented socket this must be called when vsk->remote_addr
@@ -462,13 +478,8 @@ int vsock_assign_transport(struct vsock_sock *vsk, struct vsock_sock *psk)
break;
case SOCK_STREAM:
case SOCK_SEQPACKET:
- if (vsock_use_local_transport(remote_cid))
- new_transport = transport_local;
- else if (remote_cid <= VMADDR_CID_HOST || !transport_h2g ||
- (remote_flags & VMADDR_FLAG_TO_HOST))
- new_transport = transport_g2h;
- else
- new_transport = transport_h2g;
+ new_transport = vsock_connectible_lookup_transport(remote_cid,
+ remote_flags);
break;
default:
return -ESOCKTNOSUPPORT;
--
2.30.2
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