diff options
Diffstat (limited to 'common/usb.c')
| -rw-r--r-- | common/usb.c | 12 |
1 files changed, 8 insertions, 4 deletions
diff --git a/common/usb.c b/common/usb.c index c80155c..1b40228 100644 --- a/common/usb.c +++ b/common/usb.c @@ -188,7 +188,8 @@ int usb_control_msg(struct usb_device *dev, unsigned int pipe, request, requesttype, value, index, size); dev->status = USB_ST_NOT_PROC; /*not yet processed */ - submit_control_msg(dev, pipe, data, size, setup_packet); + if (submit_control_msg(dev, pipe, data, size, setup_packet) < 0) + return -1; if (timeout == 0) return (int)size; @@ -220,7 +221,8 @@ int usb_bulk_msg(struct usb_device *dev, unsigned int pipe, if (len < 0) return -1; dev->status = USB_ST_NOT_PROC; /*not yet processed */ - submit_bulk_msg(dev, pipe, data, len); + if (submit_bulk_msg(dev, pipe, data, len) < 0) + return -1; while (timeout--) { if (!((volatile unsigned long)dev->status & USB_ST_NOT_PROC)) break; @@ -799,12 +801,13 @@ int usb_new_device(struct usb_device *dev) dev->epmaxpacketin[0] = 8; dev->epmaxpacketout[0] = 8; - err = usb_get_descriptor(dev, USB_DT_DEVICE, 0, &dev->descriptor, 8); + err = usb_get_descriptor(dev, USB_DT_DEVICE, 0, tmpbuf, 8); if (err < 8) { printf("\n USB device not responding, " \ "giving up (status=%lX)\n", dev->status); return 1; } + memcpy(&dev->descriptor, tmpbuf, 8); #else /* This is a Windows scheme of initialization sequence, with double * reset of the device (Linux uses the same sequence) @@ -893,7 +896,7 @@ int usb_new_device(struct usb_device *dev) tmp = sizeof(dev->descriptor); err = usb_get_descriptor(dev, USB_DT_DEVICE, 0, - &dev->descriptor, sizeof(dev->descriptor)); + tmpbuf, sizeof(dev->descriptor)); if (err < tmp) { if (err < 0) printf("unable to get device descriptor (error=%d)\n", @@ -903,6 +906,7 @@ int usb_new_device(struct usb_device *dev) "(expected %i, got %i)\n", tmp, err); return 1; } + memcpy(&dev->descriptor, tmpbuf, sizeof(dev->descriptor)); /* correct le values */ le16_to_cpus(&dev->descriptor.bcdUSB); le16_to_cpus(&dev->descriptor.idVendor); |