[PATCH v3 1/2] ntdll: Write ret_len before checking length

[Dylan Donnell]

From: Dylan Donnell

---
 dlls/ntdll/unix/thread.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/dlls/ntdll/unix/thread.c b/dlls/ntdll/unix/thread.c
index b64a7dd40af..e4e4642e9e5 100644
--- a/dlls/ntdll/unix/thread.c
+++ b/dlls/ntdll/unix/thread.c
@@ -2275,6 +2275,7 @@ NTSTATUS WINAPI NtQueryInformationThread( HANDLE handle, THREADINFOCLASS class,
         return get_thread_wow64_context( handle, data, length );

case ThreadHideFromDebugger:
+        if (ret_len) *ret_len = sizeof(BOOLEAN);
         if (length != sizeof(BOOLEAN)) return STATUS_INFO_LENGTH_MISMATCH;
         if (!data) return STATUS_ACCESS_VIOLATION;
         SERVER_START_REQ( get_thread_info )
@@ -2285,7 +2286,6 @@ NTSTATUS WINAPI NtQueryInformationThread( HANDLE handle, THREADINFOCLASS class,
             *(BOOLEAN*)data = !!(reply->flags & GET_THREAD_INFO_FLAG_DBG_HIDDEN);
         }
         SERVER_END_REQ;
-        if (ret_len) *ret_len = sizeof(BOOLEAN);
         return STATUS_SUCCESS;

case ThreadPriorityBoost: