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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>
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@ -50,9 +50,9 @@ int pinconf_validate_map(struct pinctrl_map const *map, int i)
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return -EINVAL;
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}
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if (map->data.configs.num_configs &&
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if (!map->data.configs.num_configs ||
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!map->data.configs.configs) {
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pr_err("failed to register map %s (%d): no configs ptr given\n",
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pr_err("failed to register map %s (%d): no configs given\n",
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map->name, i);
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return -EINVAL;
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}
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