netdev - Re: [PATCH net] sctp: avoid compiler warning on implicit fallthru

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Date:   Fri, 12 Jan 2018 15:14:49 -0500
From:   Neil Horman <nhorman@...driver.com>
To:     Marcelo Ricardo Leitner <marcelo.leitner@...il.com>
Cc:     netdev@...r.kernel.org, linux-sctp@...r.kernel.org,
        Vlad Yasevich <vyasevich@...il.com>
Subject: Re: [PATCH net] sctp: avoid compiler warning on implicit fallthru

On Thu, Jan 11, 2018 at 02:22:06PM -0200, Marcelo Ricardo Leitner wrote:
> These fall-through are expected.
> 
> Signed-off-by: Marcelo Ricardo Leitner <marcelo.leitner@...il.com>
> ---
>  net/sctp/ipv6.c     | 1 +
>  net/sctp/outqueue.c | 4 ++--
>  2 files changed, 3 insertions(+), 2 deletions(-)
> 
> diff --git a/net/sctp/ipv6.c b/net/sctp/ipv6.c
> index 3b18085e3b10253f3f81be7a6747b50ef9357db2..5d4c15bf66d26219415596598a1f72d29b63a798 100644
> --- a/net/sctp/ipv6.c
> +++ b/net/sctp/ipv6.c
> @@ -826,6 +826,7 @@ static int sctp_inet6_af_supported(sa_family_t family, struct sctp_sock *sp)
>  	case AF_INET:
>  		if (!__ipv6_only_sock(sctp_opt2sk(sp)))
>  			return 1;
> +		/* fallthru */
>  	default:
>  		return 0;
>  	}
> diff --git a/net/sctp/outqueue.c b/net/sctp/outqueue.c
> index 7d67feeeffc1e758ae4be4ef1ddaea23276d1f5e..c4ec99b2015002b273071e6fb1ec3c59c9f61154 100644
> --- a/net/sctp/outqueue.c
> +++ b/net/sctp/outqueue.c
> @@ -918,9 +918,9 @@ static void sctp_outq_flush(struct sctp_outq *q, int rtx_timeout, gfp_t gfp)
>  			break;
>  
>  		case SCTP_CID_ABORT:
> -			if (sctp_test_T_bit(chunk)) {
> +			if (sctp_test_T_bit(chunk))
>  				packet->vtag = asoc->c.my_vtag;
> -			}
> +			/* fallthru */
>  		/* The following chunks are "response" chunks, i.e.
>  		 * they are generated in response to something we
>  		 * received.  If we are sending these, then we can
> -- 
> 2.14.3
> 
> --
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> 
Acked-by: Neil Horman <nhorman@...driver.com>