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Date:   Tue, 16 Apr 2019 21:03:20 -0700 (PDT)
From:   David Miller <davem@...emloft.net>
To:     gustavo@...eddedor.com
Cc:     boris.ostrovsky@...cle.com, jgross@...e.com,
        sstabellini@...nel.org, xen-devel@...ts.xenproject.org,
        netdev@...r.kernel.org, linux-kernel@...r.kernel.org,
        keescook@...omium.org
Subject: Re: [PATCH net-next] xen-netfront: mark expected switch
 fall-through

From: "Gustavo A. R. Silva" <gustavo@...eddedor.com>
Date: Mon, 15 Apr 2019 16:11:41 -0500

> 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.

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