From c8cdb94333406086d8db79b1d537a4f1529123e7 Mon Sep 17 00:00:00 2001
From: Jacob Young <jacobly0@users.noreply.github.com>
Date: Sun, 14 Dec 2025 18:44:26 -0500
Subject: [PATCH] windows: fix `DeviceIoControl` dispatch

---
 lib/std/os/windows.zig | 24 ++++++++++++------------
 1 file changed, 12 insertions(+), 12 deletions(-)

diff --git a/lib/std/os/windows.zig b/lib/std/os/windows.zig
index 70219c35101e232ff53ea9228de2e39e64262c17..be8f68e024f756440cfe58827eee8faf4db7bfee 100644
--- a/lib/std/os/windows.zig
+++ b/lib/std/os/windows.zig
@@ -2609,18 +2609,6 @@ pub fn DeviceIoControl(
 ) DeviceIoControlError!void {
     var io_status_block: IO_STATUS_BLOCK = undefined;
     const rc = switch (io_control_code.DeviceType) {
-        .FILE_SYSTEM, .NAMED_PIPE => ntdll.NtFsControlFile(
-            device,
-            opts.event,
-            opts.apc_routine,
-            opts.apc_context,
-            opts.io_status_block orelse &io_status_block,
-            io_control_code,
-            if (opts.in.len > 0) opts.in.ptr else null,
-            @intCast(opts.in.len),
-            if (opts.out.len > 0) opts.out.ptr else null,
-            @intCast(opts.out.len),
-        ),
         else => ntdll.NtDeviceIoControlFile(
             device,
             opts.event,
@@ -2633,6 +2621,18 @@ pub fn DeviceIoControl(
             if (opts.out.len > 0) opts.out.ptr else null,
             @intCast(opts.out.len),
         ),
+        .FILE_SYSTEM => ntdll.NtFsControlFile(
+            device,
+            opts.event,
+            opts.apc_routine,
+            opts.apc_context,
+            opts.io_status_block orelse &io_status_block,
+            io_control_code,
+            if (opts.in.len > 0) opts.in.ptr else null,
+            @intCast(opts.in.len),
+            if (opts.out.len > 0) opts.out.ptr else null,
+            @intCast(opts.out.len),
+        ),
     };
     switch (rc) {
         .SUCCESS => {},
-- 
2.54.0