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From 59b9bb0abca9efe47207301dbaf0d1beee2bd0f7 Mon Sep 17 00:00:00 2001
From: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Date: Sat, 9 Feb 2019 19:32:58 +0000
Subject: [PATCH] iio:chemical:sps30 Supress some switch fallthrough warnings.
Fixes warnings reported on linux-next but marking one path
and adding an explicit return in the other.
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Cc: Andreas Brauchli <a.brauchli@elementarea.net>
Acked-by: Tomasz Duszynski <tduszyns@gmail.com>
---
drivers/iio/chemical/sps30.c | 3 +++
1 file changed, 3 insertions(+)
diff --git a/drivers/iio/chemical/sps30.c b/drivers/iio/chemical/sps30.c
index 375df5060ed5..edbb956e81e8 100644
--- a/drivers/iio/chemical/sps30.c
+++ b/drivers/iio/chemical/sps30.c
@@ -118,6 +118,7 @@ static int sps30_do_cmd(struct sps30_state *state, u16 cmd, u8 *data, int size)
case SPS30_READ_AUTO_CLEANING_PERIOD:
buf[0] = SPS30_AUTO_CLEANING_PERIOD >> 8;
buf[1] = (u8)SPS30_AUTO_CLEANING_PERIOD;
+ /* fall through */
case SPS30_READ_DATA_READY_FLAG:
case SPS30_READ_DATA:
case SPS30_READ_SERIAL:
@@ -295,6 +296,8 @@ static int sps30_read_raw(struct iio_dev *indio_dev,
*val2 = 10000;
return IIO_VAL_INT_PLUS_MICRO;
+ default:
+ return -EINVAL;
}
default:
return -EINVAL;
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