Mike McCormack : msi: Don' t access the list of controls after the dialog is destroyed.

[Alexandre Julliard]

Module: wine
Branch: master
Commit: ed663fe216e1d566fadea0cf7cfeea646667eb9c
URL:    http://source.winehq.org/git/wine.git/?a=commit;h=ed663fe216e1d566fadea0cf7c...

Author: Mike McCormack <mike(a)codeweavers.com>
Date:   Tue Nov 21 13:48:07 2006 +0900

msi: Don't access the list of controls after the dialog is destroyed.

---

 dlls/msi/dialog.c |    6 ++++++
 1 files changed, 6 insertions(+), 0 deletions(-)

diff --git a/dlls/msi/dialog.c b/dlls/msi/dialog.c
index c13bcc4..b050497 100644
--- a/dlls/msi/dialog.c
+++ b/dlls/msi/dialog.c
@@ -175,6 +175,8 @@ static msi_control *msi_dialog_find_cont
 
     if( !name )
         return NULL;
+    if( !dialog->hwnd )
+        return NULL;
     LIST_FOR_EACH_ENTRY( control, &dialog->controls, msi_control, entry )
         if( !strcmpW( control->name, name ) ) /* FIXME: case sensitive? */
             return control;
@@ -187,6 +189,8 @@ static msi_control *msi_dialog_find_cont
 
     if( !type )
         return NULL;
+    if( !dialog->hwnd )
+        return NULL;
     LIST_FOR_EACH_ENTRY( control, &dialog->controls, msi_control, entry )
         if( !strcmpW( control->type, type ) ) /* FIXME: case sensitive? */
             return control;
@@ -197,6 +201,8 @@ static msi_control *msi_dialog_find_cont
 {
     msi_control *control;
 
+    if( !dialog->hwnd )
+        return NULL;
     LIST_FOR_EACH_ENTRY( control, &dialog->controls, msi_control, entry )
         if( hwnd == control->hwnd )
             return control;