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iio: chemical: sps30: fix a loop timeout test 

The "while (tries--) {" loop is a postop so it exits with "tries" set
to -1.

Fixes: 232e0f6dde ("iio: chemical: add support for Sensirion SPS30 sensor")
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
This commit is contained in:
Dan Carpenter 2019-02-09 12:03:52 +03:00 committed by Jonathan Cameron
parent d4cd36220e
commit 905889b4a3
1 changed files with 1 additions and 1 deletions
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2
drivers/iio/chemical/sps30.c
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@ -210,7 +210,7 @@ static int sps30_do_meas(struct sps30_state *state, s32 *data, int size)
msleep_interruptible(300); msleep_interruptible(300);
} }
if (!tries) if (tries == -1)
return -ETIMEDOUT; return -ETIMEDOUT;
ret = sps30_do_cmd(state, SPS30_READ_DATA, tmp, sizeof(int) * size); ret = sps30_do_cmd(state, SPS30_READ_DATA, tmp, sizeof(int) * size);