From: David S. Miller <davem@davemloft.net>
Date: Fri, 17 Jul 2009 17:28:19 +0000 (-0700)
Subject: sparc: Fix cleanup crash in bbc_envctrl_cleanup()
X-Git-Tag: v2.6.31-rc8~28^2~7
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=14d87e6c399f3942d63dff41447ff08a615d9a6b;p=pandora-kernel.git

sparc: Fix cleanup crash in bbc_envctrl_cleanup()

If kthread_run() fails or never gets to run we'll have NULL
or a pointer encoded error in kenvctrld_task, rather than
a legitimate task pointer.

So this makes bbc_envctrl_cleanup() crash as it passed this
bogus pointer into kthread_stop().

Reported-by: BERTRAND Joël <joel.bertrand@systella.fr>
Signed-off-by: David S. Miller <davem@davemloft.net>
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