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 c80155ce7..1b40228b2 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); |