From: Paul E. McKenney <paulmck@linux.vnet.ibm.com>
Date: Fri, 7 Feb 2014 22:42:51 +0000 (-0800)
Subject: rcutorture: Gracefully handle NULL cleanup hooks
X-Git-Tag: v3.15-rc1~183^2~1^2^2~5
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=f881825a73543e9664c7fe7166e06f5f4d569834;p=pandora-kernel.git

rcutorture: Gracefully handle NULL cleanup hooks

Although most torture tests will have some cleanup hook, it is possible
that one might not.  This commit therefore enables graceful handling of
a NULL cleanup hook during torture-test shutdown.

Signed-off-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com>
Reviewed-by: Josh Triplett <josh@joshtriplett.org>
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