Re: [PATCH RESEND][next] net/mlx4: Fix fall-through warnings for Clang

From: Leon Romanovsky
Date: Wed Apr 21 2021 - 01:23:25 EST


On Tue, Apr 20, 2021 at 03:24:19PM -0500, Gustavo A. R. Silva wrote:
> Hi all,
>
> Friendly ping: who can take this, please?

Why don't you fix Clang instead?
Why do we have this churn for something that correct?

>
> Thanks
> --
> Gustavo
>
> On 3/5/21 02:48, 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
> > Reviewed-by: Tariq Toukan <tariqt@xxxxxxxxxx>
> > Signed-off-by: Gustavo A. R. Silva <gustavoars@xxxxxxxxxx>
> > ---
> > 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 a99e71bc7b3c..771b92019af1 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;
> >