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Assert correctness in decrement_reference_count()

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This commit is contained in:
Tom Eastep 2011-02-16 13:16:42 -08:00
parent fa8c8f5850
commit 300d931922
1 changed files with 3 additions and 2 deletions
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5
Shorewall/Perl/Shorewall/Chains.pm
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@ -762,9 +762,10 @@ sub increment_reference_count( $$ ) {
sub decrement_reference_count( $$ ) {
my ($toref, $chain) = @_;
if ( $toref && $toref->{referenced} && $toref->{references}{$chain} ) {
if ( $toref && $toref->{referenced} ) {
assert($toref->{references}{$chain} > 0 );
delete $toref->{references}{$chain} unless --$toref->{references}{$chain};
delete_chain( $toref ) unless ( keys %{$toref->{references}} );
delete_chain( $toref ) unless ( keys %{$toref->{references}} );
}
}