Index: detect_devices.pm
===================================================================
--- detect_devices.pm	(revision 215410)
+++ detect_devices.pm	(revision 215411)
@@ -276,37 +193,39 @@
 	"Communications",
     );
 
-    my @l = map {
+    my @l;
+    foreach (all($dev_dir)) {
 	my ($host, $channel, $id, $lun) = split ':' or log::l("bad entry in $dev_dir: $_"), next;
+	my $dir = "$dev_dir/$_";
 
-	my $dir = "$dev_dir/$_";
+	# handle both old and new kernels:
+	my $node =  -e "$dir/block" ? "$dir/block" : top(glob_("$dir/block*"));
+	my ($device) = readlink($node) =~ m!/block/(.*)!;
+	warn("cannot get info for device ($_)"), next if !$device;
+
+	my $usb_dir = readlink("$node/device") =~ m!/usb! && "$node/device/../../../..";
+	my $get_usb = sub { chomp_(cat_("$usb_dir/$_[0]")) };
+
 	my $get = sub {
 	    my $s = cat_("$dir/$_[0]");
 	    $s =~ s/\s+$//;
 	    $s;
 	};
 
-	my $usb_dir = readlink("$dir/block/device") =~ m!/usb! && "$dir/block/device/../../../..";
-	my $get_usb = sub { chomp_(cat_("$usb_dir/$_[0]")) };
-
-	# handle both old and new kernels:
-	my $node =  -e "$dir/block" ? "$dir/block" : top(glob_("$dir/block*"));
-	my ($device) = readlink($node) =~ m!/block/(.*)!;
-	warn "cannot get info for device ($host, $channel, $id, $lun)" if !$device;
-
-	my $media_type = ${{ st => 'tape', sr => 'cdrom', sd => 'hd' }}{substr($device, 0, 2)};
 	# Old hp scanners report themselves as "Processor"s
 	# (see linux/include/scsi/scsi.h and sans-find-scanner.1)
 	my $raw_type = $scsi_types[$get->('type')];
-	$media_type ||= 'scanner' if $raw_type =~ /Scanner|Processor/;
 
-	{ info =>  $get->('vendor') . ' ' . $get->('model'), host => $host, channel => $channel, id => $id, lun => $lun, 
+	my $media_type = ${{ st => 'tape', sr => 'cdrom', sd => 'hd' }}{substr($device, 0, 2)} ||
+	  $raw_type =~ /Scanner|Processor/ && 'scanner';
+
+	push @l, { info =>  $get->('vendor') . ' ' . $get->('model'), host => $host, channel => $channel, id => $id, lun => $lun, 
 	  bus => 'SCSI', media_type => $media_type, device => $device,
 	    $usb_dir ? (
 	  usb_vendor => hex($get_usb->('idVendor')), usb_id => hex($get_usb->('idProduct')),
 	    ) : (),
         };
-    } all($dev_dir);
+    } 
 
     @l = sort { $a->{host} <=> $b->{host} || $a->{channel} <=> $b->{channel} || $a->{id} <=> $b->{id} || $a->{lun} <=> $b->{lun} } @l;