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Date: Sun, 15 Oct 2017 13:22:10 -0500 From: "Gustavo A. R. Silva" <garsilva@...eddedor.com> To: Gerrit Renker <gerrit@....abdn.ac.uk>, "David S. Miller" <davem@...emloft.net> Cc: dccp@...r.kernel.org, netdev@...r.kernel.org, linux-kernel@...r.kernel.org, "Gustavo A. R. Silva" <garsilva@...eddedor.com> Subject: [PATCH] net: dccp: mark expected switch fall-throughs In preparation to enabling -Wimplicit-fallthrough, mark switch cases where we are expecting to fall through. Notice that for options.c file, I placed the "fall through" comment on its own line, which is what GCC is expecting to find. Signed-off-by: Gustavo A. R. Silva <garsilva@...eddedor.com> --- This code was tested by compilation only (GCC 7.2.0 was used). Please, verify if the actual intention of the code is to fall through. net/dccp/input.c | 1 + net/dccp/options.c | 2 +- 2 files changed, 2 insertions(+), 1 deletion(-) diff --git a/net/dccp/input.c b/net/dccp/input.c index fa6be97..d28d46b 100644 --- a/net/dccp/input.c +++ b/net/dccp/input.c @@ -534,6 +534,7 @@ static int dccp_rcv_respond_partopen_state_process(struct sock *sk, case DCCP_PKT_DATA: if (sk->sk_state == DCCP_RESPOND) break; + /* fall through */ case DCCP_PKT_DATAACK: case DCCP_PKT_ACK: /* diff --git a/net/dccp/options.c b/net/dccp/options.c index 51cdfc3..4e40db0 100644 --- a/net/dccp/options.c +++ b/net/dccp/options.c @@ -227,8 +227,8 @@ int dccp_parse_options(struct sock *sk, struct dccp_request_sock *dreq, * Ack vectors are processed by the TX CCID if it is * interested. The RX CCID need not parse Ack Vectors, * since it is only interested in clearing old state. - * Fall through. */ + /* fall through */ case DCCPO_MIN_TX_CCID_SPECIFIC ... DCCPO_MAX_TX_CCID_SPECIFIC: if (ccid_hc_tx_parse_options(dp->dccps_hc_tx_ccid, sk, pkt_type, opt, value, len)) -- 2.7.4
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