udev: usb_id - ignore non-ASCII serial numbers

On Thu, Feb 7, 2013 at 3:52 PM, Robert Milasan <rmilasan@suse.com> wrote:
> Hi, seems that using some strange usb devices with really bogus serial
> numbers usb_id creates links with junk strings in it:
>
> /dev/disk/by-id/usb-TSSTcorp_BDDVDW_SE-506AB_㡒䍌䜶䉗ぁㄴ㌴†ँ-0:0
>
> Initially was believed that usb_id is to blame, then the kernel, but it
> turns out that really the usb cd/dvd drive has this bogus serial number:
>
> output from dmesg:
> [  538.200160] usb 1-2: new high-speed USB device number 5 using
> ehci_hcd [  538.335067] usb 1-2: New USB device found, idVendor=0e8d,
> idProduct=1956 [  538.335080] usb 1-2: New USB device strings: Mfr=1,
> Product=2, SerialNumber=3 [  538.335089] usb 1-2: Product: MT1956
> [  538.335097] usb 1-2: Manufacturer: MediaTek Inc
> [  538.335105] usb 1-2: SerialNumber:
> \xffffffe3\xffffffa1\xffffff92\xffffffe4\xffffff8d\xffffff8c ...
> [  538.337540] scsi6 : usb-storage 1-2:1.0 [  539.341385] scsi 6:0:0:0:
> CD-ROM            TSSTcorp BDDVDW SE-506AB  TS00 PQ: 0 ANSI: 0
> [  539.354240] sr0: scsi3-mmc drive: 0x/24x writer dvd-ram cd/rw
> xa/form2 cdda tray [  539.354777] sr 6:0:0:0: Attached scsi CD-ROM sr0
> [  539.355122] sr 6:0:0:0: Attached scsi generic sg2 type 5

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