fix uninitilized value warning on bad page name

properly this time

diff --git a/IkiWiki/Plugin/editpage.pm b/IkiWiki/Plugin/editpage.pm
index df29bcc98d5ba95663b57a6c252fd6a2432e0627..8f71dafa89df49a3983f0ae185114a484608c994 100644 (file)
--- a/IkiWiki/Plugin/editpage.pm
+++ b/IkiWiki/Plugin/editpage.pm
@@ -91,6 +91,9 @@ sub cgi_editpage ($$) {
        # This untaint is safe because we check file_pruned and
        # wiki_file_regexp.
        my ($page)=$form->field('page')=~/$config{wiki_file_regexp}/;
+       if (! defined $page) {
+               error(gettext("bad page name"));
+       }
        $page=possibly_foolish_untaint($page);
        my $absolute=($page =~ s#^/+##); # absolute name used to force location
        if (! defined $page || ! length $page ||