Jacek Caban : ntoskrnl.exe/tests: Always test DeviceIoControl result.

[Alexandre Julliard]

Module: wine
Branch: master
Commit: e1d932a9e11f0dd5dc5189f4c5f8aa813c76aade
URL:    https://source.winehq.org/git/wine.git/?a=commit;h=e1d932a9e11f0dd5dc5189f4c...

Author: Jacek Caban 
Date:   Mon May 27 13:38:10 2019 +0200

ntoskrnl.exe/tests: Always test DeviceIoControl result.

Spotted by Mathew Hodson.

Signed-off-by: Jacek Caban 
Signed-off-by: Alexandre Julliard

---

dlls/ntoskrnl.exe/tests/ntoskrnl.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/dlls/ntoskrnl.exe/tests/ntoskrnl.c b/dlls/ntoskrnl.exe/tests/ntoskrnl.c
index 49490bb..d505643 100644
--- a/dlls/ntoskrnl.exe/tests/ntoskrnl.c
+++ b/dlls/ntoskrnl.exe/tests/ntoskrnl.c
@@ -233,6 +233,7 @@ static void test_overlapped(void)

cancel_cnt = 0xdeadbeef;
     res = DeviceIoControl(file, IOCTL_WINETEST_GET_CANCEL_COUNT, NULL, 0, &cancel_cnt, sizeof(cancel_cnt), NULL, &overlapped);
+    ok(res, "DeviceIoControl failed: %u\n", GetLastError());
     todo_wine
     ok(cancel_cnt == 2, "cancel_cnt = %u\n", cancel_cnt);