From: John Stultz <john.stultz@linaro.org>
Date: Tue, 4 Jan 2011 02:59:43 +0000 (-0800)
Subject: timers: Add rb_init_node() to allow for stack allocated rb nodes
X-Git-Tag: v3.0-rc1~400^2~8
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=88d19cf37952a7e1e38b2bf87a00f0e857e63180;p=pandora-kernel.git

timers: Add rb_init_node() to allow for stack allocated rb nodes

In cases where a timerqueue_node or some structure that utilizes
a timerqueue_node is allocated on the stack, gcc would give warnings
caused by the timerqueue_init()'s calling RB_CLEAR_NODE, which
self-references the nodes uninitialized data.

The solution is to create an rb_init_node() function that zeros
the rb_node structure out and then calls RB_CLEAR_NODE(), and
then call the new init function from timerqueue_init().

CC: Thomas Gleixner <tglx@linutronix.de>
Acked-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: John Stultz <john.stultz@linaro.org>
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