linux-kernel - Re: [PATCH] gadgetfs: ep_io

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Date:   Fri, 8 Jul 2022 09:29:28 +0200
From:   "Jozo M." <jomajm@...il.com>
To:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>
Cc:     Felipe Balbi <balbi@...nel.org>,
        Alan Stern <stern@...land.harvard.edu>,
        Jens Axboe <axboe@...nel.dk>, Hangyu Hua <hbh25y@...il.com>,
        "Darrick J. Wong" <djwong@...nel.org>,
        Wei Ming Chen <jj251510319013@...il.com>,
        Ingo Molnar <mingo@...nel.org>,
        Randy Dunlap <rdunlap@...radead.org>,
        linux-usb@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] gadgetfs: ep_io - wait until IRQ finishes

The first commit 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2

pi 8. 7. 2022 o 9:19 Greg Kroah-Hartman <gregkh@...uxfoundation.org> napísal(a):
>
> On Fri, Jul 08, 2022 at 09:06:44AM +0200, Jozef Martiniak wrote:
> > after usb_ep_queue() if wait_for_completion_interruptible() is
> > interrupted we need to wait until IRQ gets finished.
> >
> > Otherwise complete() from epio_complete() can corrupt stack.
> >
> > Signed-off-by: Jozef Martiniak <jomajm@...il.com>
>
> What commit id does this fix?
>
> thanks,
>
> greg k-h