linux-kernel - Re: [PATCH] iio: imu: adis16400: Fix sign extension

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Message-ID: <54C6ACA1.6000909@kernel.org>
Date:	Mon, 26 Jan 2015 21:07:45 +0000
From:	Jonathan Cameron <jic23@...nel.org>
To:	Lars-Peter Clausen <lars@...afoo.de>,
	Rasmus Villemoes <linux@...musvillemoes.dk>,
	Michael Hennerich <Michael.Hennerich@...log.com>,
	Hartmut Knaack <knaack.h@....de>,
	Peter Meerwald <pmeerw@...erw.net>
CC:	linux-iio@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] iio: imu: adis16400: Fix sign extension

On 23/01/15 08:56, Lars-Peter Clausen wrote:
> On 01/23/2015 12:34 AM, Rasmus Villemoes wrote:
>> The intention is obviously to sign-extend a 12 bit quantity. But
>> because of C's promotion rules, the assignment is equivalent to "val16
>> &= 0xfff;". Use the proper API for this.
>>
>> Signed-off-by: Rasmus Villemoes <linux@...musvillemoes.dk>
> 
> Acked-by: Lars-Peter Clausen <lars@...afoo.de>
> 
Applied to the fixes-togreg branch of iio.git and cc'd to stable.
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