From f6e2d728bc63bc8f92093d5285195abfd7e7d7dd Mon Sep 17 00:00:00 2001
From: Frédéric Buclin <LpSolit@gmail.com>
Date: Mon, 19 Sep 2011 17:35:42 +0200
Subject: Bug 686904: Removing an invalid URL from the See Also field crashes
 Bugzilla r=timello a=LpSolit

---
 Bugzilla/Bug.pm | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

(limited to 'Bugzilla/Bug.pm')

diff --git a/Bugzilla/Bug.pm b/Bugzilla/Bug.pm
index 2b526588f..b2afe6972 100644
--- a/Bugzilla/Bug.pm
+++ b/Bugzilla/Bug.pm
@@ -2886,7 +2886,8 @@ sub remove_see_also {
     # Since we remove also the url from the referenced bug,
     # we need to notify changes for that bug too.
     $removed_bug_url = $removed_bug_url->[0];
-    if ($removed_bug_url->isa('Bugzilla::BugUrl::Bugzilla::Local')
+    if ($removed_bug_url
+        and $removed_bug_url->isa('Bugzilla::BugUrl::Bugzilla::Local')
         and defined $removed_bug_url->ref_bug_url)
     {
         push @{ $self->{see_also_changes} },
@@ -3400,7 +3401,7 @@ sub reporter {
 sub see_also {
     my ($self) = @_;
     return [] if $self->{'error'};
-    if (!defined $self->{see_also}) {
+    if (!exists $self->{see_also}) {
         my $ids = Bugzilla->dbh->selectcol_arrayref(
             'SELECT id FROM bug_see_also WHERE bug_id = ?',
             undef, $self->id);
-- 
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