pinctrl_count_index_with_args returns -ENOENT not -EINVAL. The return check would pass, and we would try to kzalloc with a negative error size throwing a warning.
Instead of checking for -EINVAL specifically, lets check for any error and avoid negative size allocations. Signed-off-by: Axel Haslam <ahas...@baylibre.com> --- drivers/pinctrl/pinctrl-single.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/pinctrl/pinctrl-single.c b/drivers/pinctrl/pinctrl-single.c index 539f31c..56e22be 100644 --- a/drivers/pinctrl/pinctrl-single.c +++ b/drivers/pinctrl/pinctrl-single.c @@ -1228,7 +1228,7 @@ static int pcs_parse_bits_in_pinctrl_entry(struct pcs_device *pcs, struct pcs_function *function; rows = pinctrl_count_index_with_args(np, name); - if (rows == -EINVAL) + if (rows < 0) return rows; npins_in_row = pcs->width / pcs->bits_per_pin; -- 2.10.1