Re: [PATCH] iio: chemical: sps30: fix a loop timeout test

[Jonathan Cameron <jic23@kernel.org>]

On Sat, 9 Feb 2019 12:03:52 +0300
Dan Carpenter <dan.carpenter@oracle.com> wrote:

> The "while (tries--) {" loop is a postop so it exits with "tries" set
> to -1.
> 
> Fixes: 232e0f6ddeae ("iio: chemical: add support for Sensirion SPS30 sensor")
> Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Thanks.

Applied to the togreg branch of iio.git.  Should make it in before
the merge window so no need for stable etc.

thanks,

Jonathan
> ---
>  drivers/iio/chemical/sps30.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/drivers/iio/chemical/sps30.c b/drivers/iio/chemical/sps30.c
> index e03a28a67146..375df5060ed5 100644
> --- a/drivers/iio/chemical/sps30.c
> +++ b/drivers/iio/chemical/sps30.c
> @@ -210,7 +210,7 @@ static int sps30_do_meas(struct sps30_state *state, s32 *data, int size)
>  		msleep_interruptible(300);
>  	}
>  
> -	if (!tries)
> +	if (tries = -1)
>  		return -ETIMEDOUT;
>  
>  	ret = sps30_do_cmd(state, SPS30_READ_DATA, tmp, sizeof(int) * size);