linux-kernel - Re: [PATCH] xen/blkfront: Adjust indentation in xlvbd_alloc

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Date:   Mon, 9 Dec 2019 14:14:47 -0700
From:   Nathan Chancellor <natechancellor@...il.com>
To:     Nick Desaulniers <ndesaulniers@...gle.com>
Cc:     Boris Ostrovsky <boris.ostrovsky@...cle.com>,
        Juergen Gross <jgross@...e.com>,
        Konrad Rzeszutek Wilk <konrad.wilk@...cle.com>,
        Roger Pau Monné <roger.pau@...rix.com>,
        Jens Axboe <axboe@...nel.dk>,
        Stefano Stabellini <stefano.stabellini@...citrix.com>,
        xen-devel@...ts.xenproject.org, linux-block@...r.kernel.org,
        LKML <linux-kernel@...r.kernel.org>,
        clang-built-linux <clang-built-linux@...glegroups.com>
Subject: Re: [PATCH] xen/blkfront: Adjust indentation in xlvbd_alloc_gendisk

On Mon, Dec 09, 2019 at 01:07:41PM -0800, Nick Desaulniers wrote:
> On Mon, Dec 9, 2019 at 12:14 PM Nathan Chancellor
> <natechancellor@...il.com> wrote:
> >
> > Clang warns:
> >
> > ../drivers/block/xen-blkfront.c:1117:4: warning: misleading indentation;
> > statement is not part of the previous 'if' [-Wmisleading-indentation]
> >                 nr_parts = PARTS_PER_DISK;
> >                 ^
> > ../drivers/block/xen-blkfront.c:1115:3: note: previous statement is here
> >                 if (err)
> >                 ^
> >
> > This is because there is a space at the beginning of this line; remove
> > it so that the indentation is consistent according to the Linux kernel
> > coding style and clang no longer warns.
> >
> > While we are here, the previous line has some trailing whitespace; clean
> > that up as well.
> >
> > Fixes: c80a420995e7 ("xen-blkfront: handle Xen major numbers other than XENVBD")
> > Link: https://github.com/ClangBuiltLinux/linux/issues/791
> > Signed-off-by: Nathan Chancellor <natechancellor@...il.com>
> > ---
> >  drivers/block/xen-blkfront.c | 4 ++--
> >  1 file changed, 2 insertions(+), 2 deletions(-)
> >
> > diff --git a/drivers/block/xen-blkfront.c b/drivers/block/xen-blkfront.c
> > index a74d03913822..c02be06c5299 100644
> > --- a/drivers/block/xen-blkfront.c
> > +++ b/drivers/block/xen-blkfront.c
> > @@ -1113,8 +1113,8 @@ static int xlvbd_alloc_gendisk(blkif_sector_t capacity,
> 
> While you're here, would you please also removing the single space
> before the labels in this function?
> 
> In vim:
> 
> /^ [a-zA-Z]
> 
> turns up 5 labels with this.

That should probably be a separate patch since there are only two labels
in the function I am touching here. I'll whip up a v2 if the maintainers
want it though or I'll just draft a separate patch when I am done
addressing all of the misleading indentation warnings.

Thanks for the reply!
Nathan