linux-kernel - Re: [PATCH 6/9] usb: host: isp1362-hcd: mark expected switch fall-through

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Message-ID: <20171101160137.GA11038@kroah.com>
Date:   Wed, 1 Nov 2017 17:01:37 +0100
From:   Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:     "Gustavo A. R. Silva" <garsilva@...eddedor.com>
Cc:     linux-usb@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH 6/9] usb: host: isp1362-hcd: mark expected switch
 fall-through

On Wed, Oct 25, 2017 at 02:05:05PM -0500, Gustavo A. R. Silva wrote:
> Greg,
> 
> Quoting "Gustavo A. R. Silva" <garsilva@...eddedor.com>:
> 
> > In preparation to enabling -Wimplicit-fallthrough, mark switch cases
> > where we are expecting to fall through.
> > 
> > Signed-off-by: Gustavo A. R. Silva <garsilva@...eddedor.com>
> > ---
> >  drivers/usb/host/isp1362-hcd.c | 1 +
> >  1 file changed, 1 insertion(+)
> > 
> > diff --git a/drivers/usb/host/isp1362-hcd.c b/drivers/usb/host/isp1362-hcd.c
> > index 9b7e307..753d576 100644
> > --- a/drivers/usb/host/isp1362-hcd.c
> > +++ b/drivers/usb/host/isp1362-hcd.c
> > @@ -1578,6 +1578,7 @@ static int isp1362_hub_control(struct usb_hcd
> > *hcd, u16 typeReq, u16 wValue,
> >  			spin_lock_irqsave(&isp1362_hcd->lock, flags);
> >  			isp1362_write_reg32(isp1362_hcd, HCRHSTATUS, RH_HS_OCIC);
> >  			spin_unlock_irqrestore(&isp1362_hcd->lock, flags);
> > +			/* fall through */
> 
> I'm suspicious this should be a 'break' instead.
> 
> What do you think?

Yeah, this should be a 'break', care to make that patch up instead?

thanks,

greg k-h