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>
This commit is contained in:
Paul E. McKenney 2014-02-07 14:42:51 -08:00
parent 9dfa5b35c1
commit f881825a73

View File

@ -454,7 +454,10 @@ static int torture_shutdown(void *arg)
VERBOSE_TOROUT_STRING("torture_shutdown task shutting down system");
shutdown_task = NULL; /* Avoid self-kill deadlock. */
torture_shutdown_hook();/* Shut down the enclosing torture test. */
if (torture_shutdown_hook)
torture_shutdown_hook();
else
VERBOSE_TOROUT_STRING("No torture_shutdown_hook(), skipping.");
kernel_power_off(); /* Shut down the system. */
return 0;
}