diff options
Diffstat (limited to 'grub-core/bus/usb/serial/common.c')
| -rw-r--r-- | grub-core/bus/usb/serial/common.c | 15 |
1 files changed, 10 insertions, 5 deletions
diff --git a/grub-core/bus/usb/serial/common.c b/grub-core/bus/usb/serial/common.c index 55d1884..8e94c7d 100644 --- a/grub-core/bus/usb/serial/common.c +++ b/grub-core/bus/usb/serial/common.c @@ -42,7 +42,8 @@ static int usbnum = 0; int grub_usbserial_attach (grub_usb_device_t usbdev, int configno, int interfno, - struct grub_serial_driver *driver) + struct grub_serial_driver *driver, int in_endp, + int out_endp) { struct grub_serial_port *port; int j; @@ -51,7 +52,7 @@ grub_usbserial_attach (grub_usb_device_t usbdev, int configno, int interfno, interf = usbdev->config[configno].interf[interfno].descif; - port = grub_malloc (sizeof (*port)); + port = grub_zalloc (sizeof (*port)); if (!port) { grub_print_error (); @@ -73,12 +74,16 @@ grub_usbserial_attach (grub_usb_device_t usbdev, int configno, int interfno, struct grub_usb_desc_endp *endp; endp = &usbdev->config[0].interf[interfno].descendp[j]; - if ((endp->endp_addr & 128) && (endp->attrib & 3) == 2) + if ((endp->endp_addr & 128) && (endp->attrib & 3) == 2 + && (in_endp == GRUB_USB_SERIAL_ENDPOINT_LAST_MATCHING + || in_endp == endp->endp_addr)) { /* Bulk IN endpoint. */ port->in_endp = endp; } - else if (!(endp->endp_addr & 128) && (endp->attrib & 3) == 2) + else if (!(endp->endp_addr & 128) && (endp->attrib & 3) == 2 + && (out_endp == GRUB_USB_SERIAL_ENDPOINT_LAST_MATCHING + || out_endp == endp->endp_addr)) { /* Bulk OUT endpoint. */ port->out_endp = endp; @@ -119,7 +124,7 @@ grub_usbserial_fetch (struct grub_serial_port *port, grub_size_t header_size) if (port->bufstart < port->bufend) return port->buf[port->bufstart++]; - err = grub_usb_bulk_read_extended (port->usbdev, port->in_endp->endp_addr, + err = grub_usb_bulk_read_extended (port->usbdev, port->in_endp, sizeof (port->buf), port->buf, 10, &actual); if (err != GRUB_USB_ERR_NONE) |