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-rw-r--r--kernel/trace/blktrace.c12
1 files changed, 1 insertions, 11 deletions
diff --git a/kernel/trace/blktrace.c b/kernel/trace/blktrace.c
index 1090b0aed9ba..7a34cb563fec 100644
--- a/kernel/trace/blktrace.c
+++ b/kernel/trace/blktrace.c
@@ -267,8 +267,8 @@ static void blk_trace_free(struct blk_trace *bt)
267{ 267{
268 debugfs_remove(bt->msg_file); 268 debugfs_remove(bt->msg_file);
269 debugfs_remove(bt->dropped_file); 269 debugfs_remove(bt->dropped_file);
270 debugfs_remove(bt->dir);
271 relay_close(bt->rchan); 270 relay_close(bt->rchan);
271 debugfs_remove(bt->dir);
272 free_percpu(bt->sequence); 272 free_percpu(bt->sequence);
273 free_percpu(bt->msg_data); 273 free_percpu(bt->msg_data);
274 kfree(bt); 274 kfree(bt);
@@ -378,18 +378,8 @@ static int blk_subbuf_start_callback(struct rchan_buf *buf, void *subbuf,
378 378
379static int blk_remove_buf_file_callback(struct dentry *dentry) 379static int blk_remove_buf_file_callback(struct dentry *dentry)
380{ 380{
381 struct dentry *parent = dentry->d_parent;
382 debugfs_remove(dentry); 381 debugfs_remove(dentry);
383 382
384 /*
385 * this will fail for all but the last file, but that is ok. what we
386 * care about is the top level buts->name directory going away, when
387 * the last trace file is gone. Then we don't have to rmdir() that
388 * manually on trace stop, so it nicely solves the issue with
389 * force killing of running traces.
390 */
391
392 debugfs_remove(parent);
393 return 0; 383 return 0;
394} 384}
395 385