From 3a825edc7e2ad557b50a10780dc4118902d2635e Mon Sep 17 00:00:00 2001
From: Eric Wong <e@yhbt.net>
Date: Sun, 5 Jul 2020 23:27:59 +0000
Subject: gzipfilter: check http->{forward} for client disconnects

We actually don't do anything with {env} or {'psgix.io'}
on client aborts, so checking the truthiness of '{forward}'
is necessary.
---
 lib/PublicInbox/GzipFilter.pm | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/lib/PublicInbox/GzipFilter.pm b/lib/PublicInbox/GzipFilter.pm
index b5ad9eb8..f1354d2b 100644
--- a/lib/PublicInbox/GzipFilter.pm
+++ b/lib/PublicInbox/GzipFilter.pm
@@ -165,7 +165,8 @@ sub bail  {
 # this is public-inbox-httpd-specific
 sub async_blob_cb { # git->cat_async callback
 	my ($bref, $oid, $type, $size, $self) = @_;
-	my $http = $self->{env}->{'psgix.io'} or return; # client abort
+	my $http = $self->{env}->{'psgix.io'};
+	$http->{forward} or return; # client aborted
 	my $smsg = $self->{smsg} or bail($self, 'BUG: no smsg');
 	if (!defined($oid)) {
 		# it's possible to have TOCTOU if an admin runs
-- 
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