Commit 79fe249c authored Sep 22, 2009 by Li Zefan Committed by Ingo Molnar Sep 22, 2009

tracing: Fix failure path in ftrace_regex_open()



Don't forget to free trace_parser if seq_open() returned failure.

Signed-off-by: Li Zefan <lizf@cn.fujitsu.com>
Cc: Frederic Weisbecker <fweisbec@gmail.com>
Cc: Jiri Olsa <jolsa@redhat.com>
Cc: Steven Rostedt <rostedt@goodmis.org>
LKML-Reference: <4AB86694.4040803@cn.fujitsu.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>

parent 1eb90f13

kernel/trace/ftrace.c

+3 −1

Original line number	Diff line number	Diff line
		@@ -1621,8 +1621,10 @@ ftrace_regex_open(struct inode inode, struct file file, int enable)
		if (!ret) {
		struct seq_file *m = file->private_data;
		m->private = iter;
		} else
		} else {
		trace_parser_put(&iter->parser);
		kfree(iter);
		}
		} else
		file->private_data = iter;
		mutex_unlock(&ftrace_regex_lock);