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Avoid dereference of null variable

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This commit is contained in:
Tom Eastep 2009-11-11 10:10:45 -08:00
parent ba8ad6346a
commit 6987cd15c5
1 changed files with 2 additions and 2 deletions
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4
Shorewall/Perl/Shorewall/Chains.pm
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@ -1734,7 +1734,7 @@ sub match_source_dev( $ ) {
my $interface = shift;
return '' if $interface eq '+';
my $interfaceref = known_interface( $interface );
my $physical = $interfaceref->{physical};
my $physical = $interfaceref ? $interfaceref->{physical} : $interface;
if ( $interfaceref && $interfaceref->{options}{port} ) {
"-i $interfaceref->{bridge} -m physdev --physdev-in $physical ";
} else {
@ -1749,7 +1749,7 @@ sub match_dest_dev( $ ) {
my $interface = shift;
return '' if $interface eq '+';
my $interfaceref = known_interface( $interface );
my $physical = $interfaceref->{physical};
my $physical = $interfaceref ? $interfaceref->{physical} : $interface;
if ( $interfaceref && $interfaceref->{options}{port} ) {
if ( $capabilities{PHYSDEV_BRIDGE} ) {
"-o $interfaceref->{bridge} -m physdev --physdev-is-bridged --physdev-out $physical ";