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[public-inbox.git] / lib / PublicInbox / Qspawn.pm

diff --git a/lib/PublicInbox/Qspawn.pm b/lib/PublicInbox/Qspawn.pm
index cea34fc3325409078c18417aa470ef70cb78410f..ef9db43e637d6c51113d0d04d1c1bd56e5b9b3fc 100644 (file)
--- a/lib/PublicInbox/Qspawn.pm
+++ b/lib/PublicInbox/Qspawn.pm
@@ -225,19 +225,19 @@ sub psgi_return_init_cb {
        my ($self) = @_;
        my $r = rd_hdr($self) or return;
        my $env = $self->{psgi_env};
-       my $filter = delete $env->{'qspawn.filter'} //
-               PublicInbox::GzipFilter::qsp_maybe($r->[1], $env);
+       my $filter = delete($env->{'qspawn.filter'}) // (ref($r) eq 'ARRAY' ?
+               PublicInbox::GzipFilter::qsp_maybe($r->[1], $env) : undef);
 
        my $wcb = delete $env->{'qspawn.wcb'};
        my $async = delete $self->{async}; # PublicInbox::HTTPD::Async
-       if (scalar(@$r) == 3) { # error
+       if (ref($r) ne 'ARRAY' || scalar(@$r) == 3) { # error
                if ($async) { # calls rpipe->close && ->event_step
                        $async->close; # PublicInbox::HTTPD::Async::close
                } else {
                        $self->{rpipe}->close;
                        event_step($self);
                }
-               $wcb->($r);
+               $wcb->($r) if ref($r) eq 'ARRAY';
        } elsif ($async) {
                # done reading headers, handoff to read body
                my $fh = $wcb->($r); # scalar @$r == 2