linux-hardening - Re: [PATCH 044/141] net/mlx4: Fix fall-through warnings for Clang

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Date:   Mon, 23 Nov 2020 16:49:20 -0600
From:   "Gustavo A. R. Silva" <gustavoars@...nel.org>
To:     Tariq Toukan <ttoukan.linux@...il.com>
Cc:     Tariq Toukan <tariqt@...dia.com>,
        "David S. Miller" <davem@...emloft.net>,
        Jakub Kicinski <kuba@...nel.org>, netdev@...r.kernel.org,
        linux-rdma@...r.kernel.org, linux-kernel@...r.kernel.org,
        linux-hardening@...r.kernel.org
Subject: Re: [PATCH 044/141] net/mlx4: Fix fall-through warnings for Clang

On Sun, Nov 22, 2020 at 10:36:01AM +0200, Tariq Toukan wrote:
> 
> 
> On 11/20/2020 8:31 PM, Gustavo A. R. Silva wrote:
> > In preparation to enable -Wimplicit-fallthrough for Clang, fix a warning
> > by explicitly adding a break statement instead of just letting the code
> > fall through to the next case.
> > 
> > Link: https://github.com/KSPP/linux/issues/115
> > Signed-off-by: Gustavo A. R. Silva <gustavoars@...nel.org>
> > ---
> >   drivers/net/ethernet/mellanox/mlx4/resource_tracker.c | 1 +
> >   1 file changed, 1 insertion(+)
> > 
> > diff --git a/drivers/net/ethernet/mellanox/mlx4/resource_tracker.c b/drivers/net/ethernet/mellanox/mlx4/resource_tracker.c
> > index 1187ef1375e2..e6b8b8dc7894 100644
> > --- a/drivers/net/ethernet/mellanox/mlx4/resource_tracker.c
> > +++ b/drivers/net/ethernet/mellanox/mlx4/resource_tracker.c
> > @@ -2660,6 +2660,7 @@ int mlx4_FREE_RES_wrapper(struct mlx4_dev *dev, int slave,
> >   	case RES_XRCD:
> >   		err = xrcdn_free_res(dev, slave, vhcr->op_modifier, alop,
> >   				     vhcr->in_param, &vhcr->out_param);
> > +		break;
> >   	default:
> >   		break;
> > 
> 
> Reviewed-by: Tariq Toukan <tariqt@...dia.com>
> 
> Thanks for your patch.

Thanks, Tariq.
--
Gustavo