Re: Gadget regression with u_ether in Linux next

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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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