blktrace: remove unnessary stop block trace in 'blk_trace_shutdown'

[linux-block.git] / kernel / trace / blktrace.c

diff --git a/kernel/trace/blktrace.c b/kernel/trace/blktrace.c
index e17bba027a2c6edd4d45569bffb792b321d4deb5..a995ea1ef849a4ef6b607c443b6a7bbdbbe548c5 100644 (file)
--- a/kernel/trace/blktrace.c
+++ b/kernel/trace/blktrace.c
@@ -776,10 +776,8 @@ int blk_trace_ioctl(struct block_device *bdev, unsigned cmd, char __user *arg)
 void blk_trace_shutdown(struct request_queue *q)
 {
        if (rcu_dereference_protected(q->blk_trace,
-                                     lockdep_is_held(&q->debugfs_mutex))) {
-               __blk_trace_startstop(q, 0);
+                                     lockdep_is_held(&q->debugfs_mutex)))
                __blk_trace_remove(q);
-       }
 }
 
 #ifdef CONFIG_BLK_CGROUP