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SubjectRe: [PATCH 1/4] net: sctp: Rename fallthrough label to unhandled
On Sat, Oct 05, 2019 at 09:46:41AM -0700, Joe Perches wrote:
> fallthrough may become a pseudo reserved keyword so this only use of
> fallthrough is better renamed to allow it.
>
> Signed-off-by: Joe Perches <joe@perches.com>

Reviewed-by: Kees Cook <keescook@chromium.org>

-Kees

> ---
> net/sctp/sm_make_chunk.c | 12 ++++++------
> 1 file changed, 6 insertions(+), 6 deletions(-)
>
> diff --git a/net/sctp/sm_make_chunk.c b/net/sctp/sm_make_chunk.c
> index e41ed2e0ae7d..48d63956a68c 100644
> --- a/net/sctp/sm_make_chunk.c
> +++ b/net/sctp/sm_make_chunk.c
> @@ -2155,7 +2155,7 @@ static enum sctp_ierror sctp_verify_param(struct net *net,
> case SCTP_PARAM_SET_PRIMARY:
> if (ep->asconf_enable)
> break;
> - goto fallthrough;
> + goto unhandled;
>
> case SCTP_PARAM_HOST_NAME_ADDRESS:
> /* Tell the peer, we won't support this param. */
> @@ -2166,11 +2166,11 @@ static enum sctp_ierror sctp_verify_param(struct net *net,
> case SCTP_PARAM_FWD_TSN_SUPPORT:
> if (ep->prsctp_enable)
> break;
> - goto fallthrough;
> + goto unhandled;
>
> case SCTP_PARAM_RANDOM:
> if (!ep->auth_enable)
> - goto fallthrough;
> + goto unhandled;
>
> /* SCTP-AUTH: Secion 6.1
> * If the random number is not 32 byte long the association
> @@ -2187,7 +2187,7 @@ static enum sctp_ierror sctp_verify_param(struct net *net,
>
> case SCTP_PARAM_CHUNKS:
> if (!ep->auth_enable)
> - goto fallthrough;
> + goto unhandled;
>
> /* SCTP-AUTH: Section 3.2
> * The CHUNKS parameter MUST be included once in the INIT or
> @@ -2203,7 +2203,7 @@ static enum sctp_ierror sctp_verify_param(struct net *net,
>
> case SCTP_PARAM_HMAC_ALGO:
> if (!ep->auth_enable)
> - goto fallthrough;
> + goto unhandled;
>
> hmacs = (struct sctp_hmac_algo_param *)param.p;
> n_elt = (ntohs(param.p->length) -
> @@ -2226,7 +2226,7 @@ static enum sctp_ierror sctp_verify_param(struct net *net,
> retval = SCTP_IERROR_ABORT;
> }
> break;
> -fallthrough:
> +unhandled:
> default:
> pr_debug("%s: unrecognized param:%d for chunk:%d\n",
> __func__, ntohs(param.p->type), cid);
> --
> 2.15.0
>

--
Kees Cook

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