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Date:   Fri, 5 Mar 2021 03:07:17 -0600
From:   "Gustavo A. R. Silva" <gustavoars@...nel.org>
To:     Vlad Yasevich <vyasevich@...il.com>,
        Neil Horman <nhorman@...driver.com>,
        Marcelo Ricardo Leitner <marcelo.leitner@...il.com>,
        "David S. Miller" <davem@...emloft.net>,
        Jakub Kicinski <kuba@...nel.org>
Cc:     linux-sctp@...r.kernel.org, netdev@...r.kernel.org,
        linux-kernel@...r.kernel.org,
        "Gustavo A. R. Silva" <gustavoars@...nel.org>,
        linux-hardening@...r.kernel.org
Subject: [PATCH RESEND][next] sctp: Fix fall-through warnings for Clang

In preparation to enable -Wimplicit-fallthrough for Clang, fix a couple
of warnings by explicitly adding a break statement and replacing a
comment with a goto statement instead of letting the code fall through
to the next case.

Link: https://github.com/KSPP/linux/issues/115
Signed-off-by: Gustavo A. R. Silva <gustavoars@...nel.org>
---
 net/sctp/input.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/net/sctp/input.c b/net/sctp/input.c
index d508f6f3dd08..5ceaf75105ba 100644
--- a/net/sctp/input.c
+++ b/net/sctp/input.c
@@ -633,7 +633,7 @@ int sctp_v4_err(struct sk_buff *skb, __u32 info)
 		break;
 	case ICMP_REDIRECT:
 		sctp_icmp_redirect(sk, transport, skb);
-		/* Fall through to out_unlock. */
+		goto out_unlock;
 	default:
 		goto out_unlock;
 	}
@@ -1236,6 +1236,7 @@ static struct sctp_association *__sctp_rcv_walk_lookup(struct net *net,
 						net, ch, laddr,
 						sctp_hdr(skb)->source,
 						transportp);
+			break;
 		default:
 			break;
 		}
-- 
2.27.0

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