From: Chanwoo Choi <cw00.choi@samsung.com>
To: Dan Carpenter <dan.carpenter@oracle.com>
Cc: MyungJoo Ham <myungjoo.ham@samsung.com>,
Mark Brown <broonie@opensource.wolfsonmicro.com>,
linux-kernel@vger.kernel.org, kernel-janitors@vger.kernel.org
Subject: Re: [patch] Extcon: Arizona: unlock on an error in arizona_micdet()
Date: Wed, 11 Jul 2012 23:55:51 +0000 [thread overview]
Message-ID: <4FFE1287.90403@samsung.com> (raw)
In-Reply-To: <20120711063602.GG11812@elgon.mountain>
Hi Dan,
On 07/11/2012 03:36 PM, Dan Carpenter wrote:
> Smatch complains about this. I don't have a way to test this, but it
> does look like we should unlock on error here.
>
> Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
>
> diff --git a/drivers/extcon/extcon-arizona.c b/drivers/extcon/extcon-arizona.c
> index b068bc9..4782884 100644
> --- a/drivers/extcon/extcon-arizona.c
> +++ b/drivers/extcon/extcon-arizona.c
> @@ -154,6 +154,7 @@ static irqreturn_t arizona_micdet(int irq, void *data)
> ret = regmap_read(arizona->regmap, ARIZONA_MIC_DETECT_3, &val);
> if (ret != 0) {
> dev_err(arizona->dev, "Failed to read MICDET: %d\n", ret);
> + mutex_unlock(&info->lock);
> return IRQ_NONE;
> }
>
This patch is right.
Signed-off-by: Chanwoo Choi <cw00.choi@samsung.com>
WARNING: multiple messages have this Message-ID (diff)
From: Chanwoo Choi <cw00.choi@samsung.com>
To: Dan Carpenter <dan.carpenter@oracle.com>
Cc: MyungJoo Ham <myungjoo.ham@samsung.com>,
Mark Brown <broonie@opensource.wolfsonmicro.com>,
linux-kernel@vger.kernel.org, kernel-janitors@vger.kernel.org
Subject: Re: [patch] Extcon: Arizona: unlock on an error in arizona_micdet()
Date: Thu, 12 Jul 2012 08:55:51 +0900 [thread overview]
Message-ID: <4FFE1287.90403@samsung.com> (raw)
In-Reply-To: <20120711063602.GG11812@elgon.mountain>
Hi Dan,
On 07/11/2012 03:36 PM, Dan Carpenter wrote:
> Smatch complains about this. I don't have a way to test this, but it
> does look like we should unlock on error here.
>
> Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
>
> diff --git a/drivers/extcon/extcon-arizona.c b/drivers/extcon/extcon-arizona.c
> index b068bc9..4782884 100644
> --- a/drivers/extcon/extcon-arizona.c
> +++ b/drivers/extcon/extcon-arizona.c
> @@ -154,6 +154,7 @@ static irqreturn_t arizona_micdet(int irq, void *data)
> ret = regmap_read(arizona->regmap, ARIZONA_MIC_DETECT_3, &val);
> if (ret != 0) {
> dev_err(arizona->dev, "Failed to read MICDET: %d\n", ret);
> + mutex_unlock(&info->lock);
> return IRQ_NONE;
> }
>
This patch is right.
Signed-off-by: Chanwoo Choi <cw00.choi@samsung.com>
next prev parent reply other threads:[~2012-07-11 23:55 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-07-11 6:36 [patch] Extcon: Arizona: unlock on an error in arizona_micdet() Dan Carpenter
2012-07-11 6:36 ` Dan Carpenter
2012-07-11 23:55 ` Chanwoo Choi [this message]
2012-07-11 23:55 ` Chanwoo Choi
2012-07-12 16:19 ` walter harms
2012-07-12 16:24 ` Dan Carpenter
2012-07-12 17:27 ` Mark Brown
2012-07-12 17:30 ` Mark Brown
2012-07-12 17:30 ` Mark Brown
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