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-rw-r--r--perl-install/network/ethernet.pm3
1 files changed, 2 insertions, 1 deletions
diff --git a/perl-install/network/ethernet.pm b/perl-install/network/ethernet.pm
index d5db313f1..193bbf539 100644
--- a/perl-install/network/ethernet.pm
+++ b/perl-install/network/ethernet.pm
@@ -39,7 +39,8 @@ sub mapIntfToDevice {
my ($interface) = @_;
my $hw_addr = c::getHwIDs($interface);
my ($bus, $slot, $func) = map { hex($_) } ($hw_addr =~ /([0-9a-f]+):([0-9a-f]+)\.([0-9a-f]+)/);
- $hw_addr ? grep { $_->{pci_bus} == $bus && $_->{pci_device} == $slot && $_->{pci_function} == $func } detect_devices::probeall() : {};
+ $hw_addr && (every { defined $_ } $bus, $slot, $func) ?
+ grep { $_->{pci_bus} == $bus && $_->{pci_device} == $slot && $_->{pci_function} == $func } detect_devices::probeall() : {};
}