Avoid run-time Perl diagnostic when validating a null log level

Signed-off-by: Tom Eastep <teastep@shorewall.net>
This commit is contained in:
Tom Eastep 2016-06-09 09:00:12 -07:00
parent 6eb8416c2b
commit 24b396bc67
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@ -3894,9 +3894,10 @@ my %logoptions = ( tcp_sequence => '--log-tcp-sequence',
sub validate_level( $;$ ) { sub validate_level( $;$ ) {
my ( $rawlevel, $option ) = @_; my ( $rawlevel, $option ) = @_;
my $level = uc $rawlevel; my $level;
if ( supplied ( $level ) ) { if ( supplied ( $rawlevel ) ) {
$level = uc $rawlevel;
$level =~ s/!$//; $level =~ s/!$//;
my $value = $level; my $value = $level;
my $qualifier; my $qualifier;