[PATCH] pinctrl: sunxi: drop lock on error path

[Sherman Yin]

>@@ -291,8 +291,10 @@ static int sunxi_pconf_group_set(struct pinctrl_dev
>*pctldev,
> 		switch (pinconf_to_config_param(configs[i])) {
> 		case PIN_CONFIG_DRIVE_STRENGTH:
> 			strength = pinconf_to_config_argument(configs[i]);
>-			if (strength > 40)
>+			if (strength > 40) {
>+				spin_unlock_irqrestore(&pctl->lock, flags);
> 				return -EINVAL;
>+			}
> 			/*
> 			 * We convert from mA to what the register expects:
> 			 *   0: 10mA

Looks good.

Regards,
Sherman