Re: [PATCH net-next] rxrpc: Mark expected switch fall-through

From: David Miller
Date: Thu Apr 04 2019 - 00:39:37 EST


From: "Gustavo A. R. Silva" <gustavo@xxxxxxxxxxxxxx>
Date: Mon, 1 Apr 2019 14:39:31 -0500

> In preparation to enabling -Wimplicit-fallthrough, mark switch cases
> where we are expecting to fall through.
>
> This patch fixes the following warning:
>
> net/rxrpc/local_object.c: In function ʽrxrpc_open_socketʼ:
> net/rxrpc/local_object.c:175:6: warning: this statement may fall through [-Wimplicit-fallthrough=]
> if (ret < 0) {
> ^
> net/rxrpc/local_object.c:184:2: note: here
> case AF_INET:
> ^~~~
>
> Warning level 3 was used: -Wimplicit-fallthrough=3
>
> Currently, GCC is expecting to find the fall-through annotations
> at the very bottom of the case and on its own line. That's why
> I had to add the annotation, although the intentional fall-through
> is already mentioned in a few lines above.
>
> This patch is part of the ongoing efforts to enable
> -Wimplicit-fallthrough.
>
> Signed-off-by: Gustavo A. R. Silva <gustavo@xxxxxxxxxxxxxx>

Applied.