Marcus Meissner : wininet: Check for NULL lpwhh (Coverity).

[Alexandre Julliard]

Module: wine
Branch: master
Commit: b7f3aa61f43c5beac32ef51285dd0dee78df491c
URL:    http://source.winehq.org/git/wine.git/?a=commit;h=b7f3aa61f43c5beac32ef51285dd0dee78df491c

Author: Marcus Meissner <marcus at jet.franken.de>
Date:   Wed May 26 09:53:55 2010 +0200

wininet: Check for NULL lpwhh (Coverity).

---

 dlls/wininet/internet.c |    5 +++++
 1 files changed, 5 insertions(+), 0 deletions(-)

diff --git a/dlls/wininet/internet.c b/dlls/wininet/internet.c
index 5b1913a..fd93276 100644
--- a/dlls/wininet/internet.c
+++ b/dlls/wininet/internet.c
@@ -2581,6 +2581,11 @@ BOOL WINAPI InternetSetOptionW(HINTERNET hInternet, DWORD dwOption,
     }
     case INTERNET_OPTION_CONTEXT_VALUE:
     {
+        if (!lpwhh)
+        {
+            SetLastError(ERROR_INTERNET_INCORRECT_HANDLE_TYPE);
+            return FALSE;
+        }
         if (!lpBuffer || dwBufferLength != sizeof(DWORD_PTR))
         {
             SetLastError(ERROR_INVALID_PARAMETER);