session: Fix two memory leaks.

Bug #39070.

diff --git a/src/data/session.c b/src/data/session.c
index 56aa31a91cd581036890e312c04bb83bdd30de5b..ae37c76b945c8ae9c69288313f69db41d5b24c15 100644 (file)
--- a/src/data/session.c
+++ b/src/data/session.c
@@ -69,6 +69,7 @@ session_destroy (struct session *s)
       s->active = NULL;
       HMAPX_FOR_EACH_SAFE (ds, node, next, &s->datasets)
         dataset_destroy (ds);
+      hmapx_destroy (&s->datasets);
       free (s->syntax_encoding);
       free (s);
     }
@@ -96,7 +97,10 @@ session_add_dataset (struct session *s, struct dataset *ds)
   if (old == s->active)
     s->active = ds;
   if (old != NULL)
-    session_remove_dataset (s, old);
+    {
+      session_remove_dataset (s, old);
+      dataset_destroy (old);
+    }
 
   hmapx_insert (&s->datasets, ds,
                 utf8_hash_case_string (dataset_name (ds), 0));