trivial: rbtree.txt: fix rb_entry() parameters in sample code

Reviewed-by: WANG Cong <xiyou.wangcong@gmail.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>

1 files changed, 1 insertions, 1 deletions

diff --git a/Documentation/rbtree.txt b/Documentation/rbtree.txt
index 77102148e67b..aae8355d3166 100644
--- a/Documentation/rbtree.txt
+++ b/Documentation/rbtree.txt
@@ -188,5 +188,5 @@ Example:
 
   struct rb_node *node;
   for (node = rb_first(&mytree); node; node = rb_next(node))
-  	printk("key=%s\n", rb_entry(node, int, keystring));
+	printk("key=%s\n", rb_entry(node, struct mytype, node)->keystring);