linux-kernel - RE: [PATCH] pinctrl: sunxi: drop lock on error path

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Date:	Thu, 29 Aug 2013 17:35:08 +0000
From:	"Sherman Yin" <syin@...adcom.com>
To:	"Linus Walleij" <linus.walleij@...aro.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	"linux-arm-kernel@...ts.infradead.org" 
	<linux-arm-kernel@...ts.infradead.org>
cc:	"Stephen Warren" <swarren@...dia.com>,
	"Maxime Ripard" <maxime.ripard@...e-electrons.com>
Subject: RE: [PATCH] pinctrl: sunxi: drop lock on error path

>@@ -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

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