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From: Oliver Neukum <oneukum@suse.de>
To: gyungoh@gmail.com
Cc: sameo@linux.intel.com, lee.jones@linaro.org,
	grant.likely@linaro.org, robh+dt@kernel.org, jg1.han@samsung.com,
	cooloney@gmail.com, pawel.moll@arm.com, mark.rutland@arm.com,
	ijc+devicetree@hellion.org.uk, galak@codeaurora.org,
	trivial@kernel.org, akpm@linux-foundation.org, jic23@kernel.org,
	thomas.petazzoni@free-electrons.com, ktsai@capellamicro.com,
	hs@denx.de, stwiss.opensource@diasemi.com,
	matti.vaittinen@nsn.com, broonie@kernel.org,
	jason@lakedaemon.net, heiko@sntech.de, shawn.guo@freescale.com,
	florian.vaussard@epfl.ch, andrew@lunn.ch,
	antonynpavlov@gmail.com, hytszk@gmail.com, plagnioj@jcrosoft.com,
	tomi.valkeinen@ti.com, jack.yoo@skyworksinc.com,
	linux-fbdev@vger.kernel.org, linux-kernel@vger.kernel.org,
	devicetree@vger.kernel.org
Subject: Re: [PATCH v10 2/6] backlight: Add support Skyworks SKY81452 backlight driver
Date: Wed, 03 Dec 2014 11:02:29 +0100	[thread overview]
Message-ID: <1417600949.12511.7.camel@linux-0dmf.site> (raw)
In-Reply-To: <1417590332-4912-3-git-send-email-jack.yoo@skyworksinc.com>

On Wed, 2014-12-03 at 16:05 +0900, gyungoh@gmail.com wrote:
> +static ssize_t sky81452_bl_store_enable(struct device *dev,
> +               struct device_attribute *attr, const char *buf, size_t
> count)
> +{
> +       struct regmap *regmap = bl_get_data(to_backlight_device(dev));
> +       unsigned long value;
> +       int ret;
> +
> +       ret = kstrtoul(buf, 16, &value);
> +       if (IS_ERR_VALUE(ret))
> +               return ret;
> +
> +       ret = regmap_update_bits(regmap, SKY81452_REG1, SKY81452_EN,
> +                                       value << CTZ(SKY81452_EN));

No range checking for value?

> +       if (IS_ERR_VALUE(ret))
> +               return ret;
> +
> +       return count;
> +}

	Regards
		Oliver

-- 
Oliver Neukum <oneukum@suse.de>


WARNING: multiple messages have this Message-ID (diff)
From: Oliver Neukum <oneukum@suse.de>
To: gyungoh@gmail.com
Cc: sameo@linux.intel.com, lee.jones@linaro.org,
	grant.likely@linaro.org, robh+dt@kernel.org, jg1.han@samsung.com,
	cooloney@gmail.com, pawel.moll@arm.com, mark.rutland@arm.com,
	ijc+devicetree@hellion.org.uk, galak@codeaurora.org,
	trivial@kernel.org, akpm@linux-foundation.org, jic23@kernel.org,
	thomas.petazzoni@free-electrons.com, ktsai@capellamicro.com,
	hs@denx.de, stwiss.opensource@diasemi.com,
	matti.vaittinen@nsn.com, broonie@kernel.org,
	jason@lakedaemon.net, heiko@sntech.de, shawn.guo@freescale.com,
	florian.vaussard@epfl.ch, andrew@lunn.ch,
	antonynpavlov@gmail.com, hytszk@gmail.com, plagnioj@jcrosoft.com,
	tomi.valkeinen@ti.com, jack.yoo@skyworksinc.com,
	linux-fbdev@vger.kernel.org, linux-kernel@vger.kernel.org,
	devicetree@vger.kernel.org
Subject: Re: [PATCH v10 2/6] backlight: Add support Skyworks SKY81452 backlight driver
Date: Wed, 03 Dec 2014 10:02:29 +0000	[thread overview]
Message-ID: <1417600949.12511.7.camel@linux-0dmf.site> (raw)
In-Reply-To: <1417590332-4912-3-git-send-email-jack.yoo@skyworksinc.com>

On Wed, 2014-12-03 at 16:05 +0900, gyungoh@gmail.com wrote:
> +static ssize_t sky81452_bl_store_enable(struct device *dev,
> +               struct device_attribute *attr, const char *buf, size_t
> count)
> +{
> +       struct regmap *regmap = bl_get_data(to_backlight_device(dev));
> +       unsigned long value;
> +       int ret;
> +
> +       ret = kstrtoul(buf, 16, &value);
> +       if (IS_ERR_VALUE(ret))
> +               return ret;
> +
> +       ret = regmap_update_bits(regmap, SKY81452_REG1, SKY81452_EN,
> +                                       value << CTZ(SKY81452_EN));

No range checking for value?

> +       if (IS_ERR_VALUE(ret))
> +               return ret;
> +
> +       return count;
> +}

	Regards
		Oliver

-- 
Oliver Neukum <oneukum@suse.de>


  parent reply	other threads:[~2014-12-03 10:02 UTC|newest]

Thread overview: 111+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2014-12-03  7:05 [PATCH v10 0/6] Add Skyworks SKY81452 device drivers gyungoh
2014-12-03  7:05 ` gyungoh
2014-12-03  7:05 ` gyungoh-Re5JQEeQqe8AvxtiuMwx3w
2014-12-03  7:05 ` [PATCH v10 1/6] mfd: Add support for Skyworks SKY81452 driver gyungoh
2014-12-03  7:05   ` gyungoh
2014-12-03  7:05 ` [PATCH v10 2/6] backlight: Add support Skyworks SKY81452 backlight driver gyungoh
2014-12-03  7:05   ` gyungoh
2014-12-03  7:13   ` Jingoo Han
2014-12-03  7:13     ` Jingoo Han
2014-12-03 10:02   ` Oliver Neukum [this message]
2014-12-03 10:02     ` Oliver Neukum
2014-12-04  2:04     ` Gyungoh Yoo
2014-12-04  2:04       ` Gyungoh Yoo
2014-12-04  2:04       ` Gyungoh Yoo
2014-12-03  7:05 ` [PATCH v10 3/6] devicetree: mfd: Add new SKY81452 mfd binding gyungoh
2014-12-03  7:05   ` gyungoh
2014-12-03  7:05 ` [PATCH v10 4/6] devicetree: backlight: Add new SKY81452 backlight binding gyungoh
2014-12-03  7:05   ` gyungoh
2014-12-03  7:05 ` [PATCH v10 5/6] devicetree: Add vendor prefix for Skyworks Solutions, Inc gyungoh
2014-12-03  7:05   ` gyungoh
2014-12-03  7:05 ` [PATCH v10 6/6] devicetree: i2c: Add SKY81452 to the Trivial Devices list gyungoh
2014-12-03  7:05   ` gyungoh
2014-12-18  5:47 [PATCH v10 0/6] Add Skyworks SKY81452 device drivers gyungoh
2014-12-18  5:47 ` gyungoh
2014-12-18  5:47 ` gyungoh-Re5JQEeQqe8AvxtiuMwx3w
2014-12-18  5:47 ` [PATCH v10 1/6] mfd: Add support for Skyworks SKY81452 driver gyungoh
2014-12-18  5:47   ` gyungoh
2014-12-18  5:47   ` gyungoh-Re5JQEeQqe8AvxtiuMwx3w
2014-12-18  5:47 ` [PATCH v10 2/6] backlight: Add support Skyworks SKY81452 backlight driver gyungoh
2014-12-18  5:47   ` gyungoh
2014-12-18  6:09   ` Jingoo Han
2014-12-18  6:09     ` Jingoo Han
2014-12-18  6:09     ` Jingoo Han
2014-12-18  6:13     ` Gyungoh Yoo
2014-12-18  6:13       ` Gyungoh Yoo
2014-12-18  6:13       ` Gyungoh Yoo
2014-12-18  5:47 ` [PATCH v10 3/6] devicetree: mfd: Add new SKY81452 mfd binding gyungoh
2014-12-18  5:47   ` gyungoh
2014-12-18  8:32   ` Lee Jones
2014-12-18  8:32     ` Lee Jones
2014-12-18  5:47 ` [PATCH v10 4/6] devicetree: backlight: Add new SKY81452 backlight binding gyungoh
2014-12-18  5:47   ` gyungoh
2014-12-18  8:30   ` Lee Jones
2014-12-18  8:30     ` Lee Jones
2014-12-18  5:47 ` [PATCH v10 5/6] devicetree: Add vendor prefix for Skyworks Solutions, Inc gyungoh
2014-12-18  5:47   ` gyungoh
2014-12-18  8:29   ` Lee Jones
2014-12-18  8:29     ` Lee Jones
2014-12-18  5:47 ` [PATCH v10 6/6] devicetree: i2c: Add SKY81452 to the Trivial Devices list gyungoh
2014-12-18  5:47   ` gyungoh
2015-01-07  2:19 [PATCH v10 0/6] Add Skyworks SKY81452 device drivers gyungoh
2015-01-07  2:19 ` gyungoh
2015-01-07  2:19 ` [PATCH v10 1/6] mfd: Add support for Skyworks SKY81452 driver gyungoh
2015-01-07  2:19   ` gyungoh
2015-01-07  2:19 ` [PATCH v10 2/6] backlight: Add support Skyworks SKY81452 backlight driver gyungoh
2015-01-07  2:19   ` gyungoh
2015-01-07  2:19 ` [PATCH v10 3/6] devicetree: mfd: Add new SKY81452 mfd binding gyungoh
2015-01-07  2:19   ` gyungoh
2015-01-09  1:30   ` Gyungoh Yoo
2015-01-09  1:30     ` Gyungoh Yoo
2015-01-09  1:30     ` Gyungoh Yoo
2015-01-07  2:19 ` [PATCH v10 4/6] devicetree: backlight: Add new SKY81452 backlight binding gyungoh
2015-01-07  2:19   ` gyungoh
2015-01-09  1:31   ` Gyungoh Yoo
2015-01-09  1:31     ` Gyungoh Yoo
2015-01-07  2:19 ` [PATCH v10 5/6] devicetree: Add vendor prefix for Skyworks Solutions, Inc gyungoh
2015-01-07  2:19   ` gyungoh
2015-01-07  2:19 ` [PATCH v10 6/6] devicetree: i2c: Add SKY81452 to the Trivial Devices list gyungoh
2015-01-07  2:19   ` gyungoh
2015-01-07  2:19   ` gyungoh-Re5JQEeQqe8AvxtiuMwx3w
2015-01-18 17:40 ` [PATCH v10 0/6] Add Skyworks SKY81452 device drivers Lee Jones
2015-01-18 17:40   ` Lee Jones
2015-01-18 17:40   ` Lee Jones
2015-01-19  1:41   ` Gyungoh Yoo
2015-01-19  1:41     ` Gyungoh Yoo
2015-01-19  1:41     ` Gyungoh Yoo
2015-01-19  8:10     ` Lee Jones
2015-01-19  8:10       ` Lee Jones
2015-01-19  8:10       ` Lee Jones
2015-01-23  6:28 gyungoh
2015-01-23  6:28 ` gyungoh
2015-01-23  6:28 ` gyungoh-Re5JQEeQqe8AvxtiuMwx3w
2015-01-23  6:28 ` [PATCH v10 1/6] mfd: Add support for Skyworks SKY81452 driver gyungoh
2015-01-23  6:28   ` gyungoh
2015-01-23  6:28 ` [PATCH v10 2/6] backlight: Add support Skyworks SKY81452 backlight driver gyungoh
2015-01-23  6:28   ` gyungoh
2015-01-23  6:28 ` [PATCH v10 3/6] devicetree: Add new SKY81452 mfd binding gyungoh
2015-01-23  6:28   ` gyungoh
2015-01-23  6:28 ` [PATCH v10 4/6] devicetree: Add new SKY81452 backlight binding gyungoh
2015-01-23  6:28   ` gyungoh
2015-01-27  7:02   ` Gyungoh Yoo
2015-01-27  7:02     ` Gyungoh Yoo
2015-02-04 15:11   ` Rob Herring
2015-02-04 15:11     ` Rob Herring
2015-02-04 15:11     ` Rob Herring
2015-02-05  4:59     ` Gyungoh Yoo
2015-02-05  4:59       ` Gyungoh Yoo
2015-02-05  4:59       ` Gyungoh Yoo
2015-02-05 13:22       ` Rob Herring
2015-01-23  6:28 ` [PATCH v10 5/6] devicetree: Add vendor prefix for Skyworks Solutions, Inc gyungoh
2015-01-23  6:28   ` gyungoh
2015-01-23  6:28   ` gyungoh-Re5JQEeQqe8AvxtiuMwx3w
2015-01-23  6:28 ` [PATCH v10 6/6] devicetree: i2c: Add SKY81452 to the Trivial Devices list gyungoh
2015-01-23  6:28   ` gyungoh
2015-02-05  6:29 [PATCH v10 0/6] Add Skyworks SKY81452 device drivers gyungoh
2015-02-05  6:29 ` gyungoh
2015-02-05  6:29 ` [PATCH v10 1/6] mfd: Add support for Skyworks SKY81452 driver gyungoh
2015-02-05  6:29   ` gyungoh
2015-02-05  6:34 ` [PATCH v10 0/6] Add Skyworks SKY81452 device drivers Gyungoh Yoo
2015-02-05  6:34   ` Gyungoh Yoo
2015-02-05  6:34   ` Gyungoh Yoo

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