Re: åå: [PATCH v2] usb: gadget: function: printer: fix use-after-free in __lock_acquire

[Greg KH]

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On Tue, Jun 09, 2020 at 09:35:11AM +0000, Zhang, Qiang wrote:
> Thank you for your suggestion
> two referenced counted objects in the same exact structure. another  referenced is
> "dev->printer_cdev_open"?

Maybe, I don't know, but a cdev does have a reference count already,
right?  Why do you need printer_cdev_open as well?

thanks,

greg k-h