user32: Fix memory leak in WinHelpA().

Signed-off-by: Józef Kucia <jkucia@codeweavers.com> Signed-off-by: Alexandre Julliard <julliard@winehq.org>

user32: Fix memory leak in WinHelpA().
ae9d5ce5 · Józef Kucia · Alexandre Julliard · 1cd883fc · ae9d5ce5
Commit ae9d5ce5 authored May 30, 2017 by Józef Kucia Committed by Alexandre Julliard May 30, 2017
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winhelp.c dlls/user32/winhelp.c +4 -1

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--- a/dlls/user32/winhelp.c
+++ b/dlls/user32/winhelp.c
@@ -80,6 +80,7 @@ BOOL WINAPI WinHelpA( HWND hWnd, LPCSTR lpHelpFile, UINT wCommand, ULONG_PTR dwD
    HWND                hDest;
    int                 size, dsize, nlen;
    WINHELP*            lpwh;
+    LRESULT             ret;

    hDest = FindWindowA("MS_WINHELP", NULL);
    if (!hDest) 
@@ -156,7 +157,9 @@ BOOL WINAPI WinHelpA( HWND hWnd, LPCSTR lpHelpFile, UINT wCommand, ULONG_PTR dwD
          lpwh->size, lpwh->command, lpwh->data,
          lpwh->ofsFilename ? (LPSTR)lpwh + lpwh->ofsFilename : "");

-    return SendMessageA(hDest, WM_COPYDATA, (WPARAM)hWnd, (LPARAM)&cds);
+    ret = SendMessageA(hDest, WM_COPYDATA, (WPARAM)hWnd, (LPARAM)&cds);
+    HeapFree(GetProcessHeap(), 0, lpwh);
+    return ret;
 }