(mapIntfToDevice) do not try to match a physical device when SIOCETHTOOL ioctl is not supported

1 files changed, 3 insertions, 2 deletions

diff --git a/perl-install/network/ethernet.pm b/perl-install/network/ethernet.pm
index fc53e28a5..5e95e25c8 100644
--- a/perl-install/network/ethernet.pm
+++ b/perl-install/network/ethernet.pm
@@ -37,8 +37,9 @@ qq(
 
 sub mapIntfToDevice {
     my ($interface) = @_;
-    my ($bus, $slot, $func) = map { hex($_) } (c::getHwIDs($interface) =~ /([0-9a-f]+):([0-9a-f]+)\.([0-9a-f]+)/);
-    grep { $_->{pci_bus} == $bus && $_->{pci_device} == $slot && $_->{pci_function} == $func } detect_devices::probeall();
+    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() : {};
 }