Piotr Caban : wbemdisp: Handle NULL signatures in init_members.

[Alexandre Julliard]

Module: wine
Branch: master
Commit: 5e4472d425b2efdcb94a197dd480b3a8a6f235fd
URL:    https://source.winehq.org/git/wine.git/?a=commit;h=5e4472d425b2efdcb94a197dd480b3a8a6f235fd

Author: Piotr Caban <piotr at codeweavers.com>
Date:   Mon Sep  2 23:49:43 2019 +0200

wbemdisp: Handle NULL signatures in init_members.

Wine-Bug: https://bugs.winehq.org/show_bug.cgi?id=47709
Signed-off-by: Piotr Caban <piotr at codeweavers.com>
Signed-off-by: Hans Leidekker <hans at codeweavers.com>
Signed-off-by: Alexandre Julliard <julliard at winehq.org>

---

 dlls/wbemdisp/locator.c | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/dlls/wbemdisp/locator.c b/dlls/wbemdisp/locator.c
index 5e22989..a9ef161 100644
--- a/dlls/wbemdisp/locator.c
+++ b/dlls/wbemdisp/locator.c
@@ -618,8 +618,8 @@ static HRESULT init_members( struct object *object )
         {
             count++;
             SysFreeString( name );
-            IWbemClassObject_Release( sig_in );
-            IWbemClassObject_Release( sig_out );
+            if (sig_in) IWbemClassObject_Release( sig_in );
+            if (sig_out) IWbemClassObject_Release( sig_out );
         }
         IWbemClassObject_EndMethodEnumeration( object->object );
     }
@@ -657,8 +657,8 @@ static HRESULT init_members( struct object *object )
                 IWbemClassObject_EndMethodEnumeration( object->object );
                 goto error;
             }
-            IWbemClassObject_Release( sig_in );
-            IWbemClassObject_Release( sig_out );
+            if (sig_in) IWbemClassObject_Release( sig_in );
+            if (sig_out) IWbemClassObject_Release( sig_out );
             TRACE( "added method %s\n", debugstr_w(name) );
         }
         IWbemClassObject_EndMethodEnumeration( object->object );