[PATCH] oledb32: check start for NULL before strstrW (Coverity)

[Marcus Meissner]

CID 966607

This should have actually crashed always during testing?

Ciao, Marcus
---
 dlls/oledb32/datainit.c |    2 +-
 1 Datei geändert, 1 Zeile hinzugefügt(+), 1 Zeile entfernt(-)

diff --git a/dlls/oledb32/datainit.c b/dlls/oledb32/datainit.c
index a870bbc..c95d62e 100644
--- a/dlls/oledb32/datainit.c
+++ b/dlls/oledb32/datainit.c
@@ -426,7 +426,7 @@ static HRESULT WINAPI datainit_GetDataSource(IDataInitialize *iface, IUnknown *o
         }
 
         start = initstring;
-        while ((eq = strstrW(start, eqW)))
+        while (start && (eq = strstrW(start, eqW)))
         {
             static const WCHAR providerW[] = {'P','r','o','v','i','d','e','r',0};
             WCHAR *scol = strstrW(eq+1, scolW);
-- 
1.7.10.4