linux-kernel - iio: adis16400: Set timestamp as the last element in

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Message-Id: <1390562644-25124-1-git-send-email-marcus.folkesson@gmail.com>
Date:	Fri, 24 Jan 2014 12:24:03 +0100
From:	Marcus Folkesson <marcus.folkesson@...il.com>
To:	Jonathan Cameron <jic23@...nel.org>,
	Lars-Peter Clausen <lars@...afoo.de>,
	Marcus Folkesson <marcus.folkesson@...il.com>,
	Sachin Kamat <sachin.kamat@...aro.org>
Cc:	linux-iio@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: iio: adis16400: Set timestamp as the last element in

Hi,

This patch make sure that the timestamp element is the last element
in the iio_chan_spec.
The index values for the timestamp was hardcoded and 
in conflict with other elements (at least on adis16448).

This is a problem in iio_compute_scan_bytes(). The function is 
searching for the first element with the timestamp index.
If the found element has a lesser number of storage bits, this
is a potential buffer overflow issue.

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