On a faulty preempt disable bug we print out a warning but then we go
and call preempt_enable_no_resched, which also can print out a warning.
This is redundant.

Signed-off-by: Steven Rostedt <rostedt@goodmis.org>

Index: linux-2.6.21-rt9/lib/smp_processor_id.c
===================================================================

--- linux-2.6.21-rt9.orig/lib/smp_processor_id.c
+++ linux-2.6.21-rt9/lib/smp_processor_id.c

@@ -47,7 +47,11 @@ unsigned int notrace debug_smp_processor
 	dump_stack();
 
 out_enable:
-	preempt_enable_no_resched();
+	/*
+	 * Don't print message if we enable to zero.
+	 * We arleady printed a warning up above.
+	 */
+	__preempt_enable_no_resched();
 out:
 	return this_cpu;
 }