diff --git a/net/uring/io_uring_linux.go b/net/uring/io_uring_linux.go
index dad042631..2b4f1ee04 100644
--- a/net/uring/io_uring_linux.go
+++ b/net/uring/io_uring_linux.go
@@ -246,50 +246,6 @@ func (u *UDPConn) ReadFromNetaddr(buf []byte) (int, netaddr.IPPort, error) {
 	return n, ipp, nil
 }
 
-func (u *UDPConn) Close() error {
-	u.close.Do(func() {
-		// Announce to readers and writers that we are closing down.
-		atomic.StoreUint32(&u.closed, 1)
-		// It is now not possible for u.reads to reach zero without
-		// all reads being unblocked.
-
-		// Busy loop until all reads and writes are unblocked.
-		// See the docs for u.refcount.
-		for {
-			for idx := range u.recvReqs {
-				if atomic.LoadInt32(u.recvReqInKernel(idx)) != 0 {
-					C.submit_cancel_request(u.recvRing, C.size_t(idx))
-				}
-			}
-			if atomic.LoadInt32(&u.refcount) == 0 {
-				break
-			}
-			time.Sleep(time.Millisecond)
-		}
-		// TODO: block until no one else uses our rings.
-		// (Or is that unnecessary now?)
-		u.doShutdown()
-	})
-	return nil
-}
-
-func (u *UDPConn) doShutdown() {
-	for _, fn := range u.shutdown {
-		fn()
-	}
-}
-
-// Implement net.PacketConn, for convenience integrating with magicsock.
-
-var _ net.PacketConn = (*UDPConn)(nil)
-
-type udpAddr struct {
-	ipp netaddr.IPPort
-}
-
-func (u udpAddr) Network() string { return "udp4" } // TODO: ipv6
-func (u udpAddr) String() string  { return u.ipp.String() }
-
 func (c *UDPConn) ReadFrom(p []byte) (n int, addr net.Addr, err error) {
 	n, ipp, err := c.ReadFromNetaddr(p)
 	if err != nil {
@@ -344,12 +300,7 @@ func (u *UDPConn) WriteTo(p []byte, addr net.Addr) (n int, err error) {
 		r.sa6.sin6_port = C.uint16_t(endian.Hton16(uint16(udpAddr.Port)))
 		r.sa6.sin6_family = C.AF_INET6
 	}
-	C.submit_sendmsg_request(
-		u.sendRing, // ring
-		r,
-		C.int(len(p)), // buffer len, ditto
-		C.size_t(idx), // user data
-	)
+	C.submit_sendmsg_request(u.sendRing, r, C.int(len(p)), C.size_t(idx))
 	// Get an extra buffer, if available.
 	if idx, ok := peekCompletion(u.sendRing); ok {
 		// Put the request buffer back in the usable queue.
@@ -359,6 +310,50 @@ func (u *UDPConn) WriteTo(p []byte, addr net.Addr) (n int, err error) {
 	return len(p), nil
 }
 
+func (u *UDPConn) Close() error {
+	u.close.Do(func() {
+		// Announce to readers and writers that we are closing down.
+		atomic.StoreUint32(&u.closed, 1)
+		// It is now not possible for u.reads to reach zero without
+		// all reads being unblocked.
+
+		// Busy loop until all reads and writes are unblocked.
+		// See the docs for u.refcount.
+		for {
+			for idx := range u.recvReqs {
+				if atomic.LoadInt32(u.recvReqInKernel(idx)) != 0 {
+					C.submit_cancel_request(u.recvRing, C.size_t(idx))
+				}
+			}
+			if atomic.LoadInt32(&u.refcount) == 0 {
+				break
+			}
+			time.Sleep(time.Millisecond)
+		}
+		// TODO: block until no one else uses our rings.
+		// (Or is that unnecessary now?)
+		u.doShutdown()
+	})
+	return nil
+}
+
+func (u *UDPConn) doShutdown() {
+	for _, fn := range u.shutdown {
+		fn()
+	}
+}
+
+// Implement net.PacketConn, for convenience integrating with magicsock.
+
+var _ net.PacketConn = (*UDPConn)(nil)
+
+type udpAddr struct {
+	ipp netaddr.IPPort
+}
+
+func (u udpAddr) Network() string { return "udp4" } // TODO: ipv6
+func (u udpAddr) String() string  { return u.ipp.String() }
+
 // LocalAddr returns the local network address.
 func (c *UDPConn) LocalAddr() net.Addr { return c.local }