2020-02-23 21:50:22 +00:00
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From 905889b4a34c753a538015f0b2cdaa0c9e3a4fd5 Mon Sep 17 00:00:00 2001
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From: Dan Carpenter <dan.carpenter@oracle.com>
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Date: Sat, 9 Feb 2019 12:03:52 +0300
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Subject: [PATCH] iio: chemical: sps30: fix a loop timeout test
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The "while (tries--) {" loop is a postop so it exits with "tries" set
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to -1.
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Fixes: 232e0f6ddeae ("iio: chemical: add support for Sensirion SPS30 sensor")
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Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
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Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
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---
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drivers/iio/chemical/sps30.c | 2 +-
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1 file changed, 1 insertion(+), 1 deletion(-)
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--- a/drivers/iio/chemical/sps30.c
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+++ b/drivers/iio/chemical/sps30.c
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2020-03-09 11:22:15 +00:00
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@@ -210,7 +210,7 @@ static int sps30_do_meas(struct sps30_st
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2020-02-23 21:50:22 +00:00
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msleep_interruptible(300);
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}
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- if (!tries)
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+ if (tries == -1)
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return -ETIMEDOUT;
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ret = sps30_do_cmd(state, SPS30_READ_DATA, tmp, sizeof(int) * size);
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