Re: [PATCH 077/141] dm raid: Fix fall-through warnings for Clang

From: Mike Snitzer
Date: Tue Apr 20 2021 - 18:13:33 EST


On Tue, Apr 20 2021 at 4:15pm -0400,
Gustavo A. R. Silva <gustavo@xxxxxxxxxxxxxx> wrote:

> Hi all,
>
> Friendly ping: who can take this, please?
>
> Thanks
> --
> Gustavo
>
> On 11/20/20 12:35, Gustavo A. R. Silva wrote:
> > In preparation to enable -Wimplicit-fallthrough for Clang, fix a warning
> > by explicitly adding a break statement instead of 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@xxxxxxxxxx>
> > ---
> > drivers/md/dm-raid.c | 1 +
> > 1 file changed, 1 insertion(+)
> >
> > diff --git a/drivers/md/dm-raid.c b/drivers/md/dm-raid.c
> > index 9c1f7c4de65b..e98af0b9d00c 100644
> > --- a/drivers/md/dm-raid.c
> > +++ b/drivers/md/dm-raid.c
> > @@ -1854,6 +1854,7 @@ static int rs_check_takeover(struct raid_set *rs)
> > ((mddev->layout == ALGORITHM_PARITY_N && mddev->new_layout == ALGORITHM_PARITY_N) ||
> > __within_range(mddev->new_layout, ALGORITHM_LEFT_ASYMMETRIC, ALGORITHM_RIGHT_SYMMETRIC)))
> > return 0;
> > + break;
> >
> > default:
> > break;
> >
>

I've picked it up for 5.13, thanks.

Mike