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-rw-r--r--lib/PublicInbox/HTTPD/Async.pm1
1 files changed, 1 insertions, 0 deletions
diff --git a/lib/PublicInbox/HTTPD/Async.pm b/lib/PublicInbox/HTTPD/Async.pm
index a936d9b5..880cf021 100644
--- a/lib/PublicInbox/HTTPD/Async.pm
+++ b/lib/PublicInbox/HTTPD/Async.pm
@@ -41,6 +41,7 @@ sub async_pass {
                 my $r = sysread($self->{sock}, $$bref, 8192);
                 if ($r) {
                         $fh->write($$bref);
+                        return if $io->{closed};
                         if ($io->{write_buf_size}) {
                                 $self->watch_read(0);
                                 $io->write($restart_read); # D::S::write