linux-kernel - [PATCH] rds: send: mark expected switch fall-through in rds_rm

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Message-ID: <20180219181020.GA19154@embeddedgus>
Date:   Mon, 19 Feb 2018 12:10:20 -0600
From:   "Gustavo A. R. Silva" <gustavo@...eddedor.com>
To:     Santosh Shilimkar <santosh.shilimkar@...cle.com>,
        "David S. Miller" <davem@...emloft.net>
Cc:     netdev@...r.kernel.org, linux-rdma@...r.kernel.org,
        rds-devel@....oracle.com, linux-kernel@...r.kernel.org,
        "Gustavo A. R. Silva" <garsilva@...eddedor.com>
Subject: [PATCH] rds: send: mark expected switch fall-through in rds_rm_size

In preparation to enabling -Wimplicit-fallthrough, mark switch cases
where we are expecting to fall through.

Addresses-Coverity-ID: 1465362 ("Missing break in switch")
Signed-off-by: Gustavo A. R. Silva <gustavo@...eddedor.com>
---
 net/rds/send.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/net/rds/send.c b/net/rds/send.c
index 028ab59..79d158b 100644
--- a/net/rds/send.c
+++ b/net/rds/send.c
@@ -902,6 +902,8 @@ static int rds_rm_size(struct msghdr *msg, int num_sgs)
 
 		case RDS_CMSG_ZCOPY_COOKIE:
 			zcopy_cookie = true;
+			/* fall through */
+
 		case RDS_CMSG_RDMA_DEST:
 		case RDS_CMSG_RDMA_MAP:
 			cmsg_groups |= 2;
-- 
2.7.4