[advapi32] Added check for NULL pointer being passed to QueryServiceStatus as lpservicesstatus parameter.

[Damian Dixon]

---
 dlls/advapi32/service.c |    1 +
 1 files changed, 1 insertions(+), 0 deletions(-)

diff --git a/dlls/advapi32/service.c b/dlls/advapi32/service.c
index 7fea937..f8d329f 100644
--- a/dlls/advapi32/service.c
+++ b/dlls/advapi32/service.c
@@ -1130,6 +1130,7 @@ BOOL WINAPI QueryServiceStatus(SC_HANDLE hService,
 
     TRACE("%p %p\n", hService, lpservicestatus);
 
+    if (!lpservicestatus) return FALSE;
     ret = QueryServiceStatusEx(hService, SC_STATUS_PROCESS_INFO, 
(LPBYTE)&SvcStatusData,
                                 sizeof(SERVICE_STATUS_PROCESS), &dummy);
     if (ret) memcpy(lpservicestatus, &SvcStatusData, sizeof(SERVICE_STATUS)) 
;
-- 
1.6.4.2