From: Ian Jackson <ijackson@chiark.greenend.org.uk>
Date: Fri, 3 Oct 2014 20:43:39 +0000 (+0100)
Subject: poll: Avoid duplicate array index counting
X-Git-Tag: base.ipv6-polypath-fixes-2.v1~73
X-Git-Url: https://git.distorted.org.uk/~mdw/secnet/commitdiff_plain/d613fd78298a9911b7917c06f3ea11de45462e76?hp=d613fd78298a9911b7917c06f3ea11de45462e76

poll: Avoid duplicate array index counting

Calculate remain from idx at the top of the loop.  This avoids having
to keep both remain and idx in step.

Signed-off-by: Ian Jackson <ijackson@chiark.greenend.org.uk>
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