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user32: Avoid freeing invalid pointers in WIN_CreateWindowEx.

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Rémi Bernon 2022-12-02 01:25:50 +01:00 committed by Alexandre Julliard
parent 54b37a3702
commit 984969be56
1 changed files with 2 additions and 2 deletions
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4
dlls/user32/win.c
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@ -278,7 +278,7 @@ static BOOL is_default_coord( int x )
*/ */
HWND WIN_CreateWindowEx( CREATESTRUCTW *cs, LPCWSTR className, HINSTANCE module, BOOL unicode ) HWND WIN_CreateWindowEx( CREATESTRUCTW *cs, LPCWSTR className, HINSTANCE module, BOOL unicode )
{ {
UNICODE_STRING class, window_name; UNICODE_STRING class, window_name = {0};
HWND hwnd, top_child = 0; HWND hwnd, top_child = 0;
MDICREATESTRUCTW mdi_cs; MDICREATESTRUCTW mdi_cs;
WNDCLASSEXW info; WNDCLASSEXW info;
@ -401,7 +401,7 @@ HWND WIN_CreateWindowEx( CREATESTRUCTW *cs, LPCWSTR className, HINSTANCE module,
cs->x, cs->y, cs->cx, cs->cy, cs->hwndParent, menu, module, cs->x, cs->y, cs->cx, cs->cy, cs->hwndParent, menu, module,
cs->lpCreateParams, 0, NULL, 0, !unicode ); cs->lpCreateParams, 0, NULL, 0, !unicode );
if (!hwnd && menu && menu != cs->hMenu) NtUserDestroyMenu( menu ); if (!hwnd && menu && menu != cs->hMenu) NtUserDestroyMenu( menu );
if (!unicode) RtlFreeUnicodeString( &window_name ); if (!unicode && window_name.Buffer != name_buf) RtlFreeUnicodeString( &window_name );
return hwnd; return hwnd;
} }