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Date:   Wed, 24 Apr 2019 14:49:19 -0400
From:   Boris Ostrovsky <boris.ostrovsky@...cle.com>
To:     "Gustavo A. R. Silva" <gustavo@...eddedor.com>,
        Juergen Gross <jgross@...e.com>,
        Stefano Stabellini <sstabellini@...nel.org>,
        "David S. Miller" <davem@...emloft.net>
Cc:     xen-devel@...ts.xenproject.org, netdev@...r.kernel.org,
        linux-kernel@...r.kernel.org, Kees Cook <keescook@...omium.org>
Subject: Re: [PATCH net-next] xen-netfront: mark expected switch fall-through

On 4/15/19 5:11 PM, Gustavo A. R. Silva wrote:
> In preparation to enabling -Wimplicit-fallthrough, mark switch
> cases where we are expecting to fall through.
>
> This patch fixes the following warning:
>
> drivers/net/xen-netfront.c: In function ‘netback_changed’:
> drivers/net/xen-netfront.c:2038:6: warning: this statement may fall through [-Wimplicit-fallthrough=]
>    if (dev->state == XenbusStateClosed)
>       ^
> drivers/net/xen-netfront.c:2041:2: note: here
>   case XenbusStateClosing:
>   ^~~~
>
> Warning level 3 was used: -Wimplicit-fallthrough=3
>
> Notice that, in this particular case, the code comment is modified
> in accordance with what GCC is expecting to find.
>
> This patch is part of the ongoing efforts to enable
> -Wimplicit-fallthrough.
>
> Signed-off-by: Gustavo A. R. Silva <gustavo@...eddedor.com>

Applied to for-linus-5.2

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