[dw-free] Filter to entry sometimes breaks

[fu]

[commit: http://hg.dwscoalition.org/dw-free/rev/edc95acb4e6a]

http://bugs.dwscoalition.org/show_bug.cgi?id=2668

Add some error checking in case an entry or comment was deleted.

Patch by fu.

Files modified:

• cgi-bin/LJ/NotificationInbox.pm

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diff -r 7a62622d9127 -r edc95acb4e6a cgi-bin/LJ/NotificationInbox.pm
--- a/cgi-bin/LJ/NotificationInbox.pm	Mon Jun 07 03:03:52 2010 +0000
+++ b/cgi-bin/LJ/NotificationInbox.pm	Mon Jun 07 12:18:28 2010 +0800
@@ -178,7 +178,12 @@ sub subset_items {
 
 sub singleentry_items {
     my ( $self, $itemid ) = @_;
-    return grep { $_->event->class eq "LJ::Event::JournalNewComment" && $_->event->comment->entry->ditemid == $itemid } $self->items;
+    return grep {
+        $_->event->class eq "LJ::Event::JournalNewComment"
+        && $_->event->comment
+        && $_->event->comment->entry    # may have been deleted, which breaks all filter to entry comments
+        && $_->event->comment->entry->ditemid == $itemid
+    } $self->items;
 }
 
 # return flagged notifications
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