[PATCH] trace/trace_stat: use rb_entry()

[Geliang Tang]

To make the code clearer, use rb_entry() instead of container_of() to
deal with rbtree.

Signed-off-by: Geliang Tang <geliangt...@gmail.com>
---
 kernel/trace/trace_stat.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/kernel/trace/trace_stat.c b/kernel/trace/trace_stat.c
index 413ff10..0765150 100644
--- a/kernel/trace/trace_stat.c
+++ b/kernel/trace/trace_stat.c
@@ -91,7 +91,7 @@ static int insert_stat(struct rb_root *root, void *stat, 
cmp_stat_t cmp)
                struct stat_node *this;
                int result;
 
-               this = container_of(*new, struct stat_node, node);
+               this = rb_entry(*new, struct stat_node, node);
                result = cmp(data->stat, this->stat);
 
                parent = *new;
@@ -215,7 +215,7 @@ static void stat_seq_stop(struct seq_file *s, void *p)
 static int stat_seq_show(struct seq_file *s, void *v)
 {
        struct stat_session *session = s->private;
-       struct stat_node *l = container_of(v, struct stat_node, node);
+       struct stat_node *l = rb_entry(v, struct stat_node, node);
 
        if (v == SEQ_START_TOKEN)
                return session->ts->stat_headers(s);
-- 
2.9.3