From 6e2dc2b1fd690f36365d7d0bdd18d220b0aaa524 Mon Sep 17 00:00:00 2001
From: Joey Hess <joey@kodama.kitenet.net>
Date: Sun, 6 Jul 2008 16:56:50 -0400
Subject: [PATCH] avoid uninitialised value

---
 IkiWiki/Plugin/editdiff.pm | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/IkiWiki/Plugin/editdiff.pm b/IkiWiki/Plugin/editdiff.pm
index d45c73e8f..9872e9686 100644
--- a/IkiWiki/Plugin/editdiff.pm
+++ b/IkiWiki/Plugin/editdiff.pm
@@ -46,10 +46,10 @@ sub diff ($$) { #{{{
 sub formbuilder_setup { #{{{
 	my %params=@_;
 	my $form=$params{form};
+
+	return if defined ! $form->field("do") || $form->field("do") ne "edit";
+
 	my $page=$form->field("page");
-
-	return if $form->field("do") ne "edit";
-
 	$page = IkiWiki::possibly_foolish_untaint($page);
 	return unless exists $pagesources{$page};