dedup

commit 13ea526261fd0d7821dbf271bd9ccd509ae4e6fd
parent 2646d0e4e3cbc7b6fe481958d112d7ba1d654911
Author: sin <sin@2f30.org>
Date:   Tue,  5 Mar 2019 13:52:27 +0000

Fix mem leak

If the node already exists in the rb-tree a pointer to it is returned.
In that case we can free the temporary node that was allocated because
it will not be used.

Diffstat:
M
cache.c
 | 
3
++-

1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/cache.c b/cache.c
@@ -83,7 +83,8 @@ add_cache_entry(struct cache *cache, struct cache_entry *ent)
 	struct cache_node *node;
 
 	node = alloc_cache_node(ent);
-	RB_INSERT(cache_head, &cache->nodes, node);
+	if (RB_INSERT(cache_head, &cache->nodes, node) != NULL)
+		free_cache_node(node);
 }
 
 int