sockets: use error class to pass listen error

Add a new argument in inet_listen()/inet_listen_opts()
to pass back listen error.

Change nbd, qemu-char, vnc to use new interface.

Signed-off-by: Amos Kong <akong@redhat.com>
Reviewed-by: Orit Wasserman <owasserm@redhat.com>
Reviewed-by: Michael Roth <mdroth@linux.vnet.ibm.com>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>

1 files changed, 1 insertions, 1 deletions

diff --git a/nbd.c b/nbd.c
index bebfc49e2a..dc0adf90ed 100644
--- a/nbd.c
+++ b/nbd.c
@@ -176,7 +176,7 @@ int tcp_socket_incoming_spec(const char *address_and_port)
 {
     char *ostr  = NULL;
     int olen = 0;
-    return inet_listen(address_and_port, ostr, olen, SOCK_STREAM, 0);
+    return inet_listen(address_and_port, ostr, olen, SOCK_STREAM, 0, NULL);
 }
 
 int unix_socket_incoming(const char *path)