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authorLi Zefan <lizf@cn.fujitsu.com>2009-09-22 01:54:28 -0400
committerIngo Molnar <mingo@elte.hu>2009-09-22 04:28:57 -0400
commit79fe249c8368be35c9ca05982e80c68e959505e1 (patch)
treecfb0b12a3d189fde435db4cab817b740c14517f3 /kernel
parent1eb90f138b3fb4cc15f3acec94aa788e846269f7 (diff)
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>
Diffstat (limited to 'kernel')
-rw-r--r--kernel/trace/ftrace.c4
1 files changed, 3 insertions, 1 deletions
diff --git a/kernel/trace/ftrace.c b/kernel/trace/ftrace.c
index 5c5cb9be8e8c..e70af98bb99c 100644
--- a/kernel/trace/ftrace.c
+++ b/kernel/trace/ftrace.c
@@ -1621,8 +1621,10 @@ ftrace_regex_open(struct inode *inode, struct file *file, int enable)
1621 if (!ret) { 1621 if (!ret) {
1622 struct seq_file *m = file->private_data; 1622 struct seq_file *m = file->private_data;
1623 m->private = iter; 1623 m->private = iter;
1624 } else 1624 } else {
1625 trace_parser_put(&iter->parser);
1625 kfree(iter); 1626 kfree(iter);
1627 }
1626 } else 1628 } else
1627 file->private_data = iter; 1629 file->private_data = iter;
1628 mutex_unlock(&ftrace_regex_lock); 1630 mutex_unlock(&ftrace_regex_lock);