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gdi32: Avoid calling get_dc_ptr on a null handle.

This commit is contained in:
Alexandre Julliard 2009-12-01 14:38:21 +01:00
parent e4e55ed8b4
commit cc973b0cdc
1 changed files with 2 additions and 2 deletions
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4
dlls/gdi32/dc.c
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@ -750,8 +750,9 @@ HDC WINAPI CreateCompatibleDC( HDC hdc )
GDI_CheckNotLock(); GDI_CheckNotLock();
if ((origDC = get_dc_ptr( hdc ))) if (hdc)
{ {
if (!(origDC = get_dc_ptr( hdc ))) return 0;
if (GetObjectType( hdc ) == OBJ_DC) if (GetObjectType( hdc ) == OBJ_DC)
{ {
funcs = origDC->funcs; funcs = origDC->funcs;
@ -760,7 +761,6 @@ HDC WINAPI CreateCompatibleDC( HDC hdc )
release_dc_ptr( origDC ); release_dc_ptr( origDC );
if (funcs) funcs = DRIVER_get_driver( funcs ); if (funcs) funcs = DRIVER_get_driver( funcs );
} }
else if (hdc) return 0;
if (!funcs && !(funcs = DRIVER_load_driver( displayW ))) return 0; if (!funcs && !(funcs = DRIVER_load_driver( displayW ))) return 0;