From d54716612ceee75a28d728e9c682bf6e926b2056 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=E4=B8=96=E7=95=8C?= <i@sekai.icu>
Date: Fri, 28 Feb 2025 12:06:56 +0800
Subject: [PATCH] Fix syscall packet read waiter for Windows

---
 common/bufio/copy_direct_windows.go | 14 +++++++-------
 1 file changed, 7 insertions(+), 7 deletions(-)

diff --git a/common/bufio/copy_direct_windows.go b/common/bufio/copy_direct_windows.go
index 482b649..7da9213 100644
--- a/common/bufio/copy_direct_windows.go
+++ b/common/bufio/copy_direct_windows.go
@@ -120,16 +120,16 @@ func (w *syscallPacketReadWaiter) InitializeReadWaiter(options N.ReadWaitOptions
 		var readN int
 		var from windows.Sockaddr
 		readN, from, w.readErr = windows.Recvfrom(windows.Handle(fd), buffer.FreeBytes(), 0)
+		//goland:noinspection GoDirectComparisonOfErrors
+		if w.readErr != nil {
+			buffer.Release()
+			return w.readErr != windows.WSAEWOULDBLOCK
+		}
 		if readN > 0 {
 			buffer.Truncate(readN)
-			w.options.PostReturn(buffer)
-			w.buffer = buffer
-		} else {
-			buffer.Release()
-		}
-		if w.readErr == windows.WSAEWOULDBLOCK {
-			return false
 		}
+		w.options.PostReturn(buffer)
+		w.buffer = buffer
 		if from != nil {
 			switch fromAddr := from.(type) {
 			case *windows.SockaddrInet4: