diff options
Diffstat (limited to 'common/usb_kbd.c')
| -rw-r--r-- | common/usb_kbd.c | 10 |
1 files changed, 8 insertions, 2 deletions
diff --git a/common/usb_kbd.c b/common/usb_kbd.c index b96284992..3174b5e1b 100644 --- a/common/usb_kbd.c +++ b/common/usb_kbd.c @@ -461,8 +461,13 @@ static int usb_kbd_probe(struct usb_device *dev, unsigned int ifnum) usb_set_idle(dev, iface->desc.bInterfaceNumber, REPEAT_RATE, 0); debug("USB KBD: enable interrupt pipe...\n"); - usb_submit_int_msg(dev, pipe, data->new, maxp > 8 ? 8 : maxp, - ep->bInterval); + if (usb_submit_int_msg(dev, pipe, data->new, maxp > 8 ? 8 : maxp, + ep->bInterval) < 0) { + printf("Failed to get keyboard state from device %04x:%04x\n", + dev->descriptor.idVendor, dev->descriptor.idProduct); + /* Abort, we don't want to use that non-functional keyboard. */ + return 0; + } /* Success. */ return 1; @@ -496,6 +501,7 @@ int drv_usb_kbd_init(void) if (old_dev) { /* Already registered, just return ok. */ debug("USB KBD: is already registered.\n"); + usb_kbd_deregister(); return 1; } |