x86/apb/timer: Remove unnecessary "if"

adev has no chance to be NULL, so we don't need to check it. It
is also dereferenced just before the check .
Signed-off-by: Cong Ding <dinggnu@gmail.com>
Cc: Sasha Levin <sasha.levin@oracle.com>
Link: http://lkml.kernel.org/r/1358199561-15518-1-git-send-email-dinggnu@gmail.comSigned-off-by: Ingo Molnar <mingo@kernel.org>

arch/x86/kernel/apb_timer.c

@@ -240,7 +240,7 @@ static int apbt_cpuhp_notify(struct notifier_block *n,
 		dw_apb_clockevent_pause(adev->timer);
 		if (system_state == SYSTEM_RUNNING) {
 			pr_debug("skipping APBT CPU %lu offline\n", cpu);
-		} else if (adev) {
+		} else {
 			pr_debug("APBT clockevent for cpu %lu offline\n", cpu);
 			dw_apb_clockevent_stop(adev->timer);
 		}