linux-kernel - [PATCH 059/141] regulator: as3722: Fix fall-through warnings for Clang

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Date:   Fri, 20 Nov 2020 12:33:08 -0600
From:   "Gustavo A. R. Silva" <gustavoars@...nel.org>
To:     Liam Girdwood <lgirdwood@...il.com>,
        Mark Brown <broonie@...nel.org>
Cc:     linux-kernel@...r.kernel.org, linux-hardening@...r.kernel.org,
        "Gustavo A. R. Silva" <gustavoars@...nel.org>
Subject: [PATCH 059/141] regulator: as3722: Fix fall-through warnings for
 Clang

In preparation to enable -Wimplicit-fallthrough for Clang, fix a warning
by explicitly adding a fallthrough pseudo-keyword 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/regulator/as3722-regulator.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/drivers/regulator/as3722-regulator.c b/drivers/regulator/as3722-regulator.c
index 33ca197860b3..7bebf9ce6271 100644
--- a/drivers/regulator/as3722-regulator.c
+++ b/drivers/regulator/as3722-regulator.c
@@ -455,7 +455,8 @@ static int as3722_sd_set_mode(struct regulator_dev *rdev,
 	switch (mode) {
 	case REGULATOR_MODE_FAST:
 		val = as3722_reg_lookup[id].mode_mask;
-	case REGULATOR_MODE_NORMAL: /* fall down */
+		fallthrough;
+	case REGULATOR_MODE_NORMAL:
 		break;
 	default:
 		return -EINVAL;
-- 
2.27.0