shell32: Reorder code to avoid memory leaks (coverity).

dlls/shell32/brsfolder.c

@@ -369,11 +369,11 @@ static HTREEITEM InsertTreeViewItem( browse_info *info, IShellFolder * lpsf,
 	tvi.cChildren= pEnumIL ? 1 : 0;
 	tvi.mask |= TVIF_CHILDREN;
 
-	lptvid = SHAlloc( sizeof(TV_ITEMDATA) );
-	if (!lptvid)
+	if (!GetName(lpsf, pidl, SHGDN_NORMAL, szBuff))
 	    return NULL;
 
-	if (!GetName(lpsf, pidl, SHGDN_NORMAL, szBuff))
+	lptvid = SHAlloc( sizeof(TV_ITEMDATA) );
+	if (!lptvid)
 	    return NULL;
 
 	tvi.pszText    = szBuff;

dlls/shell32/pidl.c

@@ -2503,10 +2503,11 @@ LPITEMIDLIST* _ILCopyaPidl(const LPCITEMIDLIST * apidlsrc, UINT cidl)
     UINT i;
     LPITEMIDLIST *apidldest;
 
-    apidldest = SHAlloc(cidl * sizeof(LPITEMIDLIST));
     if (!apidlsrc)
         return NULL;
 
+    apidldest = SHAlloc(cidl * sizeof(LPITEMIDLIST));
+
     for (i = 0; i < cidl; i++)
         apidldest[i] = ILClone(apidlsrc[i]);
 

dlls/shell32/shelldispatch.c

@@ -1061,7 +1061,7 @@ static HRESULT WINAPI ShellDispatch_IsServiceRunning(IShellDispatch2 *iface, BST
     if (!service)
     {
         ERR("Failed to open service %s (%u)\n", debugstr_w(name), GetLastError());
-        CloseServiceHandle(service);
+        CloseServiceHandle(scm);
         return S_OK;
     }
 

dlls/shell32/shellpath.c

@@ -3790,7 +3790,10 @@ static BOOL is_knownfolder( struct foldermanager *fm, const KNOWNFOLDERID *id )
 
     hr = get_known_folder_registry_path(id, NULL, &registryPath);
     if(SUCCEEDED(hr))
+    {
         hr = HRESULT_FROM_WIN32(RegOpenKeyExW(HKEY_LOCAL_MACHINE, registryPath, 0, 0, &hKey));
+        HeapFree(GetProcessHeap(), 0, registryPath);
+    }
 
     if(SUCCEEDED(hr))
     {