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shell32: Always clone the return pidl to avoid a double free if the selection is changed during teardown.

This commit is contained in:
Huw Davies 2011-05-03 12:07:02 +01:00 committed by Alexandre Julliard
parent 8eb6b8bcb6
commit d6ce0b10c4
1 changed files with 5 additions and 3 deletions
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8
dlls/shell32/brsfolder.c
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@ -558,7 +558,8 @@ static HRESULT BrsFolder_Treeview_Changed( browse_info *info, NMTREEVIEWW *pnmtv
LPTV_ITEMDATA lptvid = (LPTV_ITEMDATA) pnmtv->itemNew.lParam;
lptvid = (LPTV_ITEMDATA) pnmtv->itemNew.lParam;
info->pidlRet = lptvid->lpifq;
ILFree(info->pidlRet);
info->pidlRet = ILClone(lptvid->lpifq);
browsefolder_callback( info->lpBrowseInfo, info->hWnd, BFFM_SELCHANGED,
(LPARAM)info->pidlRet );
BrsFolder_CheckValidSelection( info, lptvid );
@ -676,8 +677,6 @@ static BOOL BrsFolder_OnCommand( browse_info *info, UINT id )
switch (id)
{
case IDOK:
/* The original pidl is owned by the treeview and will be free'd. */
info->pidlRet = ILClone(info->pidlRet);
if (info->pidlRet == NULL) /* A null pidl would mean a cancel */
info->pidlRet = _ILCreateDesktop();
pdump( info->pidlRet );
@ -982,7 +981,10 @@ LPITEMIDLIST WINAPI SHBrowseForFolderW (LPBROWSEINFOW lpbi)
if (SUCCEEDED(hr))
OleUninitialize();
if (!r)
{
ILFree(info.pidlRet);
return NULL;
}
return info.pidlRet;
}