Re: [PATCH 1/1] mfd: rtsx_usb: avoid setting ucr->current_sg.status

On Thu, 11 Aug 2016, Lu Baolu wrote: > Member "status" of struct usb_sg_request is managed by usb core. A > spin lock is used to serialize the change of it. The driver could > check the value of req->status, but should avoid changing it without > the hold of the spinlock. Otherwise, it could cause

[PATCH 1/1] mfd: rtsx_usb: avoid setting ucr->current_sg.status

Member "status" of struct usb_sg_request is managed by usb core. A spin lock is used to serialize the change of it. The driver could check the value of req->status, but should avoid changing it without the hold of the spinlock. Otherwise, it could cause race or error in usb core. This patch could