linux-hardening - [PATCH 077/141] dm raid: Fix fall-through warnings for Clang

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Message-ID: <d17978db8a2bae019d2c858a51e9f6abf8ea8947.1605896059.git.gustavoars@kernel.org>
Date:   Fri, 20 Nov 2020 12:35:06 -0600
From:   "Gustavo A. R. Silva" <gustavoars@...nel.org>
To:     Alasdair Kergon <agk@...hat.com>, Mike Snitzer <snitzer@...hat.com>
Cc:     dm-devel@...hat.com, linux-kernel@...r.kernel.org,
        linux-hardening@...r.kernel.org,
        "Gustavo A. R. Silva" <gustavoars@...nel.org>
Subject: [PATCH 077/141] dm raid: 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 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/md/dm-raid.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/md/dm-raid.c b/drivers/md/dm-raid.c
index 9c1f7c4de65b..e98af0b9d00c 100644
--- a/drivers/md/dm-raid.c
+++ b/drivers/md/dm-raid.c
@@ -1854,6 +1854,7 @@ static int rs_check_takeover(struct raid_set *rs)
 		    ((mddev->layout == ALGORITHM_PARITY_N && mddev->new_layout == ALGORITHM_PARITY_N) ||
 		     __within_range(mddev->new_layout, ALGORITHM_LEFT_ASYMMETRIC, ALGORITHM_RIGHT_SYMMETRIC)))
 			return 0;
+		break;
 
 	default:
 		break;
-- 
2.27.0