提交 c95df2db 编写于 作者: D Dong Aisheng 提交者: Linus Walleij

pinctrl: a minor error checking improvement for pinconf

Also checking invalid num_configs when validate the pinconf map.
Acked-by: NStephen Warren <swarren@wwwdotorg.org>
Signed-off-by: NDong Aisheng <dong.aisheng@linaro.org>
Signed-off-by: NLinus Walleij <linus.walleij@linaro.org>
上级 48516804
......@@ -50,9 +50,9 @@ int pinconf_validate_map(struct pinctrl_map const *map, int i)
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;
}
......
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