On Mon, Sep 19, 2016 at 11:19:07AM +0300, Felipe Balbi wrote:
>
> Hi Greg,
>
> Tony Lindgren <tony@xxxxxxxxxxx> writes:
> > Hi,
> >
> > Looks like commit c9ffc78745f8 ("usb: gadget: NCM: Protect dev->port_usb
> > using dev->lock") causes hangs for me with Linux next.
> >
> > Reverting c9ffc78745f8 makes the issues go away, some more info below.
>
> Can you revert this commit from your tree?
>
> Here's the full commit for reference:
>
> commit c9ffc78745f89e300fe704348dd8e6800acf4d18
> Author: Harish Jenny K N <harish_kandiga@xxxxxxxxxx>
> Date: Fri Sep 9 11:30:42 2016 +0200
>
> usb: gadget: NCM: Protect dev->port_usb using dev->lock
>
> This commit incorporates findings from
> https://lkml.org/lkml/2016/4/25/594
>
> The function has been modified to make sure we hold
> the dev lock when accessing the net device pointer.
>
> Acked-by: Jim Baxter <jim_baxter@xxxxxxxxxx>
> Signed-off-by: Harish Jenny K N <harish_kandiga@xxxxxxxxxx>
> Signed-off-by: Felipe Balbi <felipe.balbi@xxxxxxxxxxxxxxx>
Now reverted, thanks.
greg k-h
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