linux-kernel - [PATCH 034/141] IB/mlx4: Fix fall-through warnings for Clang

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Date:   Fri, 20 Nov 2020 12:28:49 -0600
From:   "Gustavo A. R. Silva" <gustavoars@...nel.org>
To:     Yishai Hadas <yishaih@...dia.com>,
        Doug Ledford <dledford@...hat.com>,
        Jason Gunthorpe <jgg@...pe.ca>
Cc:     linux-rdma@...r.kernel.org, linux-kernel@...r.kernel.org,
        linux-hardening@...r.kernel.org,
        "Gustavo A. R. Silva" <gustavoars@...nel.org>
Subject: [PATCH 034/141] IB/mlx4: Fix fall-through warnings for Clang

In preparation to enable -Wimplicit-fallthrough for Clang, fix a warning
by explicitly adding a break statement instead of just 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>
---
 drivers/infiniband/hw/mlx4/mad.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/infiniband/hw/mlx4/mad.c b/drivers/infiniband/hw/mlx4/mad.c
index 8bd16474708f..f3ace85552f3 100644
--- a/drivers/infiniband/hw/mlx4/mad.c
+++ b/drivers/infiniband/hw/mlx4/mad.c
@@ -1523,6 +1523,7 @@ static void mlx4_ib_multiplex_mad(struct mlx4_ib_demux_pv_ctx *ctx, struct ib_wc
 			return;
 		} else
 			*slave_id = slave;
+		break;
 	default:
 		/* nothing */;
 	}
-- 
2.27.0