From 35f0965c431fe800594384e161ea64e1f354330e Mon Sep 17 00:00:00 2001
From: Mike McCormack <mike@codeweavers.com>
Date: Fri, 12 May 2006 00:47:52 +0900
Subject: [PATCH] wininet: Check for null parameters in
 FtpSetCurrentDirectoryW.

---
 dlls/wininet/ftp.c | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

diff --git a/dlls/wininet/ftp.c b/dlls/wininet/ftp.c
index aa254f61cb2..5fde83dfec5 100644
--- a/dlls/wininet/ftp.c
+++ b/dlls/wininet/ftp.c
@@ -339,10 +339,16 @@ BOOL WINAPI FtpSetCurrentDirectoryA(HINTERNET hConnect, LPCSTR lpszDirectory)
  */
 BOOL WINAPI FtpSetCurrentDirectoryW(HINTERNET hConnect, LPCWSTR lpszDirectory)
 {
-    LPWININETFTPSESSIONW lpwfs;
+    LPWININETFTPSESSIONW lpwfs = NULL;
     LPWININETAPPINFOW hIC = NULL;
     BOOL r = FALSE;
 
+    if (!lpszDirectory)
+    {
+        SetLastError(ERROR_INVALID_PARAMETER);
+        goto lend;
+    }
+
     lpwfs = (LPWININETFTPSESSIONW) WININET_GetObject( hConnect );
     if (NULL == lpwfs || WH_HFTPSESSION != lpwfs->hdr.htype)
     {