08cc34ff4095d50b9b78ffef835d2a1b5d7e22cf
[openwrt/staging/adrian.git] /
1 From 59b9bb0abca9efe47207301dbaf0d1beee2bd0f7 Mon Sep 17 00:00:00 2001
2 From: Jonathan Cameron <Jonathan.Cameron@huawei.com>
3 Date: Sat, 9 Feb 2019 19:32:58 +0000
4 Subject: [PATCH] iio:chemical:sps30 Supress some switch fallthrough warnings.
5
6 Fixes warnings reported on linux-next but marking one path
7 and adding an explicit return in the other.
8
9 Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
10 Cc: Andreas Brauchli <a.brauchli@elementarea.net>
11 Acked-by: Tomasz Duszynski <tduszyns@gmail.com>
12 ---
13 drivers/iio/chemical/sps30.c | 3 +++
14 1 file changed, 3 insertions(+)
15
16 --- a/drivers/iio/chemical/sps30.c
17 +++ b/drivers/iio/chemical/sps30.c
18 @@ -118,6 +118,7 @@ static int sps30_do_cmd(struct sps30_sta
19 case SPS30_READ_AUTO_CLEANING_PERIOD:
20 buf[0] = SPS30_AUTO_CLEANING_PERIOD >> 8;
21 buf[1] = (u8)SPS30_AUTO_CLEANING_PERIOD;
22 + /* fall through */
23 case SPS30_READ_DATA_READY_FLAG:
24 case SPS30_READ_DATA:
25 case SPS30_READ_SERIAL:
26 @@ -295,6 +296,8 @@ static int sps30_read_raw(struct iio_dev
27 *val2 = 10000;
28
29 return IIO_VAL_INT_PLUS_MICRO;
30 + default:
31 + return -EINVAL;
32 }
33 default:
34 return -EINVAL;