From: Alex Elder <elder@inktank.com>
Date: Thu, 10 May 2012 15:29:50 +0000 (-0500)
Subject: ceph: messenger: update "to" in read_partial() caller
X-Git-Tag: v3.5-rc1~36^2~21
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=e6cee71fac27c946a0bbad754dd076e66c4e9dbd;p=pandora-kernel.git

ceph: messenger: update "to" in read_partial() caller

read_partial() always increases whatever "to" value is supplied by
adding the requested size to it, and that's the only thing it does
with that pointed-to value.

Do that pointer advance in the caller (and then only when the
updated value will be subsequently used), and change the "to"
parameter to be an in-only and non-pointer value.

Signed-off-by: Alex Elder <elder@inktank.com>
Reviewed-by: Sage Weil <sage@inktank.com>
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