socket: Make errp the last parameter of vsock_connect_saddr

Signed-off-by: NFam Zheng <famz@redhat.com>
Message-Id: <20170421122710.15373-5-famz@redhat.com>
Reviewed-by: NMarkus Armbruster <armbru@redhat.com>
Reviewed-by: NEric Blake <eblake@redhat.com>
Signed-off-by: NMarkus Armbruster <armbru@redhat.com>

util/qemu-sockets.c

@@ -728,9 +728,10 @@ static int vsock_connect_addr(const struct sockaddr_vm *svm, bool *in_progress,
     return sock;
 }
 
-static int vsock_connect_saddr(VsockSocketAddress *vaddr, Error **errp,
+static int vsock_connect_saddr(VsockSocketAddress *vaddr,
                                NonBlockingConnectHandler *callback,
-                               void *opaque)
+                               void *opaque,
+                               Error **errp)
 {
     struct sockaddr_vm svm;
     int sock = -1;
@@ -819,9 +820,9 @@ static void vsock_unsupported(Error **errp)
     error_setg(errp, "socket family AF_VSOCK unsupported");
 }
 
-static int vsock_connect_saddr(VsockSocketAddress *vaddr, Error **errp,
+static int vsock_connect_saddr(VsockSocketAddress *vaddr,
                                NonBlockingConnectHandler *callback,
-                               void *opaque)
+                               void *opaque, Error **errp)
 {
     vsock_unsupported(errp);
     return -1;
@@ -1100,7 +1101,7 @@ int socket_connect(SocketAddress *addr, NonBlockingConnectHandler *callback,
         break;
 
     case SOCKET_ADDRESS_KIND_VSOCK:
-        fd = vsock_connect_saddr(addr->u.vsock.data, errp, callback, opaque);
+        fd = vsock_connect_saddr(addr->u.vsock.data, callback, opaque, errp);
         break;
 
     default: