On Thu, 21 Sep 2023 09:43:44 -0500 David Lechner <dlechner@xxxxxxxxxxxx> wrote: > When reading the fault attribute, an empty string was printed if the > fault register value was non-zero. > > This is fixed by checking that the return value is less than zero > instead of not zero. > > Also always print two hex digits while we are touching this line. > > Signed-off-by: David Lechner <dlechner@xxxxxxxxxxxx> To trim this set down as quickly as possible I'll pick up anything I can as I read through them. Applied this one to the togreg branch of iio.git and pushed out as testing for 0-day etc to poke it. I doubt it's worth backporting but I don't think we mind if the bots find it and people want to carry it in stable. Thanks, Jonathan > --- > drivers/staging/iio/resolver/ad2s1210.c | 2 +- > 1 file changed, 1 insertion(+), 1 deletion(-) > > diff --git a/drivers/staging/iio/resolver/ad2s1210.c b/drivers/staging/iio/resolver/ad2s1210.c > index 06de5823eb8e..84743e31261a 100644 > --- a/drivers/staging/iio/resolver/ad2s1210.c > +++ b/drivers/staging/iio/resolver/ad2s1210.c > @@ -393,7 +393,7 @@ static ssize_t ad2s1210_show_fault(struct device *dev, > ret = ad2s1210_config_read(st, AD2S1210_REG_FAULT); > mutex_unlock(&st->lock); > > - return ret ? ret : sprintf(buf, "0x%x\n", ret); > + return (ret < 0) ? ret : sprintf(buf, "0x%02x\n", ret); > } > > static ssize_t ad2s1210_clear_fault(struct device *dev,
