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

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <20171025140505.Horde.Fp_gUEW4gBVnvfU339nq4ex@gator4166.hostgator.com>
Date:   Wed, 25 Oct 2017 14:05:05 -0500
From:   "Gustavo A. R. Silva" <garsilva@...eddedor.com>
To:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>
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

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?

>  		case C_HUB_LOCAL_POWER:
>  			DBG(0, "C_HUB_LOCAL_POWER\n");
>  			break;
> --
> 2.7.4

Thanks
--
Gustavo A. R. Silva