pinctrl: a minor error checking improvement for pinconf
Also checking invalid num_configs when validate the pinconf map.
Acked-by: Stephen Warren <swarren@wwwdotorg.org>
Signed-off-by: Dong Aisheng <dong.aisheng@linaro.org>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
diff --git a/drivers/pinctrl/pinconf.c b/drivers/pinctrl/pinconf.c
index 7ce139e..43f474c 100644
--- a/drivers/pinctrl/pinconf.c
+++ b/drivers/pinctrl/pinconf.c
@@ -50,9 +50,9 @@
return -EINVAL;
}
- if (map->data.configs.num_configs &&
+ if (!map->data.configs.num_configs ||
!map->data.configs.configs) {
- pr_err("failed to register map %s (%d): no configs ptr given\n",
+ pr_err("failed to register map %s (%d): no configs given\n",
map->name, i);
return -EINVAL;
}