James Hawkins : msi: Don' t delete the table if the table deleted itself because of a release.

[Alexandre Julliard]

Module: wine
Branch: master
Commit: 39bcc662e46427d7a2f9380fa9ca4b1a9040a465
URL:    http://source.winehq.org/git/wine.git/?a=commit;h=39bcc662e46427d7a2f9380fa9ca4b1a9040a465

Author: James Hawkins <truiken at gmail.com>
Date:   Tue Oct 23 03:07:54 2007 -0500

msi: Don't delete the table if the table deleted itself because of a release.

---

 dlls/msi/alter.c |   10 ++++++++--
 1 files changed, 8 insertions(+), 2 deletions(-)

diff --git a/dlls/msi/alter.c b/dlls/msi/alter.c
index e0a1b91..b8d315e 100644
--- a/dlls/msi/alter.c
+++ b/dlls/msi/alter.c
@@ -145,13 +145,18 @@ static UINT alter_add_column(MSIALTERVIEW *av)
 static UINT ALTER_execute( struct tagMSIVIEW *view, MSIRECORD *record )
 {
     MSIALTERVIEW *av = (MSIALTERVIEW*)view;
+    UINT ref;
 
     TRACE("%p %p\n", av, record);
 
     if (av->hold == 1)
         av->table->ops->add_ref(av->table);
     else if (av->hold == -1)
-        av->table->ops->release(av->table);
+    {
+        ref = av->table->ops->release(av->table);
+        if (ref == 0)
+            av->table = NULL;
+    }
 
     if (av->colinfo)
         return alter_add_column(av);
@@ -202,7 +207,8 @@ static UINT ALTER_delete( struct tagMSIVIEW *view )
     MSIALTERVIEW *av = (MSIALTERVIEW*)view;
 
     TRACE("%p\n", av );
-    av->table->ops->delete( av->table );
+    if (av->table)
+        av->table->ops->delete( av->table );
     msi_free( av );
 
     return ERROR_SUCCESS;