linux-kernel - [PATCH RESEND][next] net/mlx4: Fix fall-through warnings for Clang

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Message-ID: <20210305084847.GA138343@embeddedor>
Date:   Fri, 5 Mar 2021 02:48:47 -0600
From:   "Gustavo A. R. Silva" <gustavoars@...nel.org>
To:     Tariq Toukan <tariqt@...dia.com>,
        "David S. Miller" <davem@...emloft.net>,
        Jakub Kicinski <kuba@...nel.org>
Cc:     netdev@...r.kernel.org, linux-rdma@...r.kernel.org,
        linux-kernel@...r.kernel.org,
        "Gustavo A. R. Silva" <gustavoars@...nel.org>,
        linux-hardening@...r.kernel.org
Subject: [PATCH RESEND][next] net/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
Reviewed-by: Tariq Toukan <tariqt@...dia.com>
Signed-off-by: Gustavo A. R. Silva <gustavoars@...nel.org>
---
 drivers/net/ethernet/mellanox/mlx4/resource_tracker.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/net/ethernet/mellanox/mlx4/resource_tracker.c b/drivers/net/ethernet/mellanox/mlx4/resource_tracker.c
index a99e71bc7b3c..771b92019af1 100644
--- a/drivers/net/ethernet/mellanox/mlx4/resource_tracker.c
+++ b/drivers/net/ethernet/mellanox/mlx4/resource_tracker.c
@@ -2660,6 +2660,7 @@ int mlx4_FREE_RES_wrapper(struct mlx4_dev *dev, int slave,
 	case RES_XRCD:
 		err = xrcdn_free_res(dev, slave, vhcr->op_modifier, alop,
 				     vhcr->in_param, &vhcr->out_param);
+		break;
 
 	default:
 		break;
-- 
2.27.0