linux-kernel - Re: [PATCH] infiniband: remove unnecessary fallthrough usage

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Date:   Mon, 31 Aug 2020 12:34:40 -0300
From:   Jason Gunthorpe <jgg@...pe.ca>
To:     Cengiz Can <cengiz@...nel.wtf>
Cc:     Dennis Dalessandro <dennis.dalessandro@...el.com>,
        Mike Marciniszyn <mike.marciniszyn@...el.com>,
        Doug Ledford <dledford@...hat.com>,
        "Gustavo A . R . Silva" <gustavoars@...nel.org>,
        linux-rdma@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] infiniband: remove unnecessary fallthrough usage

On Mon, Aug 31, 2020 at 06:30:34PM +0300, Cengiz Can wrote:
> Since /* fallthrough */ comments are deprecated[1], they are being replaced
> by new 'fallthrough' pseudo-keyword.
> 
> [1] https://www.kernel.org/doc/html/v5.7/process/deprecated.html?\
>         highlight=fallthrough#implicit-switch-case-fall-through
> 
> This sometimes leads to unreachable code warnings by static analyzers,
> particularly in this case, Coverity Scanner. (CID 1466512)
> 
> Remove unnecessary 'fallthrough' keywords to prevent dead code
> warnings.
> 
> Signed-off-by: Cengiz Can <cengiz@...nel.wtf>
> ---
>  drivers/infiniband/hw/qib/qib_mad.c | 2 --
>  1 file changed, 2 deletions(-)

Alex beat you to it:

https://patchwork.kernel.org/patch/11736039/

Thanks,
Jason