json: Fix leaked nodes in json_hash_object()

nodes is allocated through shash_sort() but never freed.

Signed-off-by: Thomas Graf <tgraf@noironetworks.com>
Signed-off-by: Ben Pfaff <blp@nicira.com>

1 files changed, 1 insertions, 0 deletions

diff --git a/lib/json.c b/lib/json.c
index a13d06d58..32a162489 100644
--- a/lib/json.c
+++ b/lib/json.c
@@ -461,6 +461,7 @@ json_hash_object(const struct shash *object, size_t basis)
         basis = hash_string(node->name, basis);
         basis = json_hash(node->data, basis);
     }
+    free(nodes);
     return basis;
 }