fmt

kernel/src/net/socket/inet/stream/mod.rs

@@ -328,14 +328,11 @@ impl Socket for TcpSocket {
             .recv_buffer_size()
     }
 
-
     fn shutdown(&self, how: ShutdownTemp) -> Result<(), SystemError> {
         let self_shutdown = self.shutdown.get().bits();
         let diff = how.bits().difference(self_shutdown);
         match diff.is_empty() {
-            true => {
-                return Ok(())
-            },
+            true => return Ok(()),
             false => {
                 if diff.contains(ShutdownBit::SHUT_RD) {
                     self.shutdown.recv_shutdown();
@@ -345,7 +342,7 @@ impl Socket for TcpSocket {
                     self.shutdown.send_shutdown();
                     // TODO 协议栈处理
                 }
-            },
+            }
         }
         Ok(())
     }