linux-kernel - [PATCH] iio: sca3000: Mark expected switch fall-through

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Date:   Tue, 3 Jul 2018 14:39:34 -0500
From:   "Gustavo A. R. Silva" <gustavo@...eddedor.com>
To:     Jonathan Cameron <jic23@...nel.org>,
        Hartmut Knaack <knaack.h@....de>,
        Lars-Peter Clausen <lars@...afoo.de>,
        Peter Meerwald-Stadler <pmeerw@...erw.net>
Cc:     linux-iio@...r.kernel.org, linux-kernel@...r.kernel.org,
        "Gustavo A. R. Silva" <gustavo@...eddedor.com>
Subject: [PATCH] iio: sca3000: Mark expected switch fall-through

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

Signed-off-by: Gustavo A. R. Silva <gustavo@...eddedor.com>
---
 drivers/iio/accel/sca3000.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/iio/accel/sca3000.c b/drivers/iio/accel/sca3000.c
index 4dceb75..209b52a 100644
--- a/drivers/iio/accel/sca3000.c
+++ b/drivers/iio/accel/sca3000.c
@@ -797,6 +797,7 @@ static int sca3000_write_raw(struct iio_dev *indio_dev,
 		mutex_lock(&st->lock);
 		ret = sca3000_write_3db_freq(st, val);
 		mutex_unlock(&st->lock);
+		/* fall through */
 	default:
 		return -EINVAL;
 	}
-- 
2.7.4