diff options
Diffstat (limited to 'drivers/usb/core/devices.c')
| -rw-r--r-- | drivers/usb/core/devices.c | 7 |
1 files changed, 3 insertions, 4 deletions
diff --git a/drivers/usb/core/devices.c b/drivers/usb/core/devices.c index 3440812b4a84..f460de31acee 100644 --- a/drivers/usb/core/devices.c +++ b/drivers/usb/core/devices.c @@ -496,6 +496,7 @@ static ssize_t usb_device_dump(char __user **buffer, size_t *nbytes, char *pages_start, *data_end, *speed; unsigned int length; ssize_t total_written = 0; + struct usb_device *childdev = NULL; /* don't bother with anything else if we're not writing any data */ if (*nbytes <= 0) @@ -589,14 +590,12 @@ static ssize_t usb_device_dump(char __user **buffer, size_t *nbytes, free_pages((unsigned long)pages_start, 1); /* Now look at all of this device's children. */ - for (chix = 0; chix < usbdev->maxchild; chix++) { - struct usb_device *childdev = usbdev->children[chix]; - + usb_hub_for_each_child(usbdev, chix, childdev) { if (childdev) { usb_lock_device(childdev); ret = usb_device_dump(buffer, nbytes, skip_bytes, file_offset, childdev, bus, - level + 1, chix, ++cnt); + level + 1, chix - 1, ++cnt); usb_unlock_device(childdev); if (ret == -EFAULT) return total_written; |