On Monday 30 July 2012 11:34:11 Lan Tianyu wrote:
> --- a/drivers/usb/core/sysfs.c
> +++ b/drivers/usb/core/sysfs.c
> @@ -209,10 +209,13 @@ set_avoid_reset_quirk(struct device *dev, struct
> device_attribute *attr,
> if (sscanf(buf, "%d", &val) != 1 || val < 0 || val > 1)
> return -EINVAL;
> usb_lock_device(udev);
> - if (val)
> + if (val) {
> udev->quirks |= USB_QUIRK_RESET_MORPHS;
> - else
> + udev->persist_enabled = 0;
> + } else {
> udev->quirks &= ~USB_QUIRK_RESET_MORPHS;
> + udev->persist_enabled = 1;
> + }
> usb_unlock_device(udev);
> return count;
Hi,
this is on second thought quite problematic. If user space has
disabled the persist feature it must stay disabled, even if
the quirk setting is removed.
Regards
Oliver
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