From: Filipe Brandenburger <filbranden@google.com>
Date: Sat, 1 Mar 2014 05:32:17 +0000 (-0800)
Subject: tracing: Evaluate len expression only once in __dynamic_array macro
X-Git-Tag: v3.15-rc1~110^2~14
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=114e7b52dee69ce47dd55b8e520e0a48ba7cdae3;p=pandora-kernel.git

tracing: Evaluate len expression only once in __dynamic_array macro

Use a temporary variable to store the expansion of the len expression.
If the evaluation is expensive, this commit will ensure it is evaluated
only once inside ftrace_get_offsets_<call>.

Link: http://lkml.kernel.org/r/1393651938-16418-3-git-send-email-filbranden@google.com

Signed-off-by: Filipe Brandenburger <filbranden@google.com>
Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
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