Commit 1a17662e authored Mar 20, 2009 by Li Zefan Committed by Ingo Molnar Mar 21, 2009

blktrace: fix possible memory leak



When we failed to create "block" debugfs dir, we should do some
cleanups.

Signed-off-by: Li Zefan <lizf@cn.fujitsu.com>
Acked-by: Frederic Weisbecker <fweisbec@gmail.com>
Acked-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Cc: Jens Axboe <jens.axboe@oracle.com>
Cc: Steven Rostedt <rostedt@goodmis.org>
LKML-Reference: <49C2F5B2.8000800@cn.fujitsu.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>

parent 22de89b3

kernel/trace/blktrace.c

+1 −1

Original line number	Diff line number	Diff line
		@@ -432,7 +432,7 @@ int do_blk_trace_setup(struct request_queue q, char name, dev_t dev,
		if (!blk_tree_root) {
		blk_tree_root = debugfs_create_dir("block", NULL);
		if (!blk_tree_root)
		return -ENOMEM;
		goto err;
		}

		dir = debugfs_create_dir(buts->name, blk_tree_root);