ntdll: Ignore higher bits in selector for ThreadDescriptorTableEntry info query.

Fixes a random test failure in kernel32/thread tests caused by the uninitialized HIWORD. Signed-off-by: Sebastian Lackner <sebastian@fds-team.de>

ntdll: Ignore higher bits in selector for ThreadDescriptorTableEntry info query.
6d9cf491 · Sebastian Lackner · Alexandre Julliard · 100c043e · 6d9cf491
Commit 6d9cf491 authored Sep 23, 2015 by Sebastian Lackner Committed by Alexandre Julliard Sep 25, 2015
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thread.c dlls/ntdll/thread.c +2 -2

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--- a/dlls/ntdll/thread.c
+++ b/dlls/ntdll/thread.c
@@ -1014,7 +1014,7 @@ NTSTATUS WINAPI NtQueryInformationThread( HANDLE handle, THREADINFOCLASS class,
                status = STATUS_INFO_LENGTH_MISMATCH;
            else if (!(tdi->Selector & 4))  /* GDT selector */
            {
-                unsigned sel = tdi->Selector & ~3;  /* ignore RPL */
+                unsigned sel = LOWORD(tdi->Selector) & ~3;  /* ignore RPL */
                status = STATUS_SUCCESS;
                if (!sel)  /* null selector */
                    memset( &tdi->Entry, 0, sizeof(tdi->Entry) );
@@ -1045,7 +1045,7 @@ NTSTATUS WINAPI NtQueryInformationThread( HANDLE handle, THREADINFOCLASS class,
                SERVER_START_REQ( get_selector_entry )
                {
                    req->handle = wine_server_obj_handle( handle );
-                    req->entry = tdi->Selector >> 3;
+                    req->entry = LOWORD(tdi->Selector) >> 3;
                    status = wine_server_call( req );
                    if (!status)
                    {