Alistair Leslie-Hughes : msdasql: Check rowset pointer before assignment in ICommandText::Execute.

[Alexandre Julliard]

Module: wine
Branch: master
Commit: 311cf13a1c72a4419f6a0214bf7fd8baf1179bc1
URL:    https://gitlab.winehq.org/wine/wine/-/commit/311cf13a1c72a4419f6a0214bf7fd8b...

Author: Alistair Leslie-Hughes <leslie_alistair(a)hotmail.com>
Date:   Wed Nov 22 16:27:09 2023 +1100

msdasql: Check rowset pointer before assignment in ICommandText::Execute.

---

 dlls/msdasql/session.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/dlls/msdasql/session.c b/dlls/msdasql/session.c
index 7cec1523f4d..b42af7f6a02 100644
--- a/dlls/msdasql/session.c
+++ b/dlls/msdasql/session.c
@@ -1263,7 +1263,8 @@ static HRESULT WINAPI command_Execute(ICommandText *iface, IUnknown *outer, REFI
         return E_FAIL;
     }
 
-    *rowset = NULL;
+    if (rowset)
+        *rowset = NULL;
     if (!wcsnicmp( command->query, L"select ", 7 ))
     {
         msrowset = malloc(sizeof(*msrowset));