From: Chris Pascoe <c.pascoe@itee.uq.edu.au>
Date: Mon, 19 Nov 2007 12:29:59 +0000 (-0300)
Subject: V4L/DVB (6642): xc2028: don't duplicate max_len in priv
X-Git-Tag: v2.6.25-rc1~1235^2~331
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=0a196b6fa9b42a2bb49733b37565aaaa97ffb07f;p=pandora-kernel.git

V4L/DVB (6642): xc2028: don't duplicate max_len in priv

There is no need to duplicate the max_len field from the ctrl structure
in the private data.  If we use it directly from priv->ctrl, we can memcpy
the structure (apart from strings) to reduce maintenance as it grows.

Enforce a minimum max_len length of 8 data bytes (+ 1 address byte) as seems
to be required by the tuner.

Also, use kstrdup instead of open coding the string duplication.

Signed-off-by: Chris Pascoe <c.pascoe@itee.uq.edu.au>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
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