From 704660c81a3e53713645528e658881283af013dd Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Igor=20Anic=CC=81?= <igor.anic@gmail.com>
Date: Sun, 31 Mar 2024 23:52:46 +0200
Subject: [PATCH] io_uring: fix copy_cqes logic

---
 lib/std/os/linux/IoUring.zig | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/lib/std/os/linux/IoUring.zig b/lib/std/os/linux/IoUring.zig
index 7c8eeae7b2..08855fa72f 100644
--- a/lib/std/os/linux/IoUring.zig
+++ b/lib/std/os/linux/IoUring.zig
@@ -284,7 +284,7 @@ fn copy_cqes_ready(self: *IoUring, cqes: []linux.io_uring_cqe) u32 {
     const head = self.cq.head.* & self.cq.mask;
     const tail = (self.cq.head.* +% count) & self.cq.mask;
 
-    if (head <= tail) {
+    if (head < tail) {
         // head behind tail -> no wrapping
         @memcpy(cqes[0..count], self.cq.cqes[head..tail]);
     } else {