diff options
Diffstat (limited to 'src/udev/udev-builtin-usb_id.c')
| -rw-r--r-- | src/udev/udev-builtin-usb_id.c | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/src/udev/udev-builtin-usb_id.c b/src/udev/udev-builtin-usb_id.c index 01e42ca7b1..ee83d4fde9 100644 --- a/src/udev/udev-builtin-usb_id.c +++ b/src/udev/udev-builtin-usb_id.c @@ -432,6 +432,17 @@ fallback: usb_serial = udev_device_get_sysattr_value(dev_usb, "serial"); if (usb_serial) { + const unsigned char *p; + + /* http://msdn.microsoft.com/en-us/library/windows/hardware/gg487321.aspx */ + for (p = (unsigned char *)usb_serial; *p != '\0'; p++) + if (*p < 0x20 || *p > 0x7f || *p == ',') { + usb_serial = NULL; + break; + } + } + + if (usb_serial) { util_replace_whitespace(usb_serial, serial_str, sizeof(serial_str)-1); util_replace_chars(serial_str, NULL); } |