[PATCH 11/16] pktop: fix potential undefined var

[Eric Wong]

In case we have other bugs in our code.
---
 lib/PublicInbox/PktOp.pm | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/lib/PublicInbox/PktOp.pm b/lib/PublicInbox/PktOp.pm
index 12839e71..59b37ff8 100644
--- a/lib/PublicInbox/PktOp.pm
+++ b/lib/PublicInbox/PktOp.pm
@@ -58,7 +58,7 @@ sub event_step {
                        die "recv: $!";
                }
                my ($cmd, $pargs) = split(/\0/, $msg, 2);
-               my $op = $self->{ops}->{$cmd // $msg};
+               my $op = $self->{ops}->{$cmd //= $msg};
                die "BUG: unknown message: `$cmd'" unless $op;
                my ($sub, @args) = @$op;
                $sub->(@args, $pargs ? ipc_thaw($pargs) : ());
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