Re: [PATCH] usb: gadget: mv_u3d_core: fix violation of lockingdiscipline in mv_u3d_ep_disable()

[Felipe Balbi]

Hi,

On Fri, Jul 26, 2013 at 07:26:05PM +0400, Alexey Khoroshilov wrote:
> On 07/25/2013 09:30 PM, Felipe Balbi wrote:
> > On Wed, Jul 24, 2013 at 12:20:17AM +0400, Alexey Khoroshilov wrote:
> >> mv_u3d_nuke() expects to be calles with ep->u3d->lock held,
> >> because mv_u3d_done() does. But mv_u3d_ep_disable() calls it
> >> without lock that can lead to unpleasant consequences.
> >>
> >> Found by Linux Driver Verification project (linuxtesting.org).
> >>
> >> Signed-off-by: Alexey Khoroshilov <khoroshilov@xxxxxxxxx>
> > which commit introduced the bug ? Which kernels are affected by this bug ?
> The bug is present from the very beginning: commit 3d4eb9d of 15 June 2012.
> So it is in the mainline since v3.5.

Alright, do you want to have the same fix in stable kernels ? Is it
necessary at all or do we consider it 'never worked before' and send it
in the next merge window ?

-- 
balbi

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