ring-buffer-benchmark: Fix the wrong sched_priority of producer

The producer should be used producer_fifo as its sched_priority,
so correct it.

Link: http://lkml.kernel.org/r/[email protected]

Cc: [email protected] # 2.6.33+
Signed-off-by: Wang Long <[email protected]>
Signed-off-by: Steven Rostedt <[email protected]>

Author: datawolf

kernel/trace/ring_buffer_benchmark.c

@@ -450,7 +450,7 @@ static int __init ring_buffer_benchmark_init(void)
 
 	if (producer_fifo >= 0) {
 		struct sched_param param = {
-			.sched_priority = consumer_fifo
+			.sched_priority = producer_fifo
 		};
 		sched_setscheduler(producer, SCHED_FIFO, &param);
 	} else