[Ltrace-devel] [PATCH 1/6] Fix a memory leak in protolib_cache_maybe_load

[Роман Донченко]

When a non-NULL protolib is returned and own_key is true, the key must
be freed.
---
 prototype.c | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/prototype.c b/prototype.c
index fa52ff3..22e54c4 100644
--- a/prototype.c
+++ b/prototype.c
@@ -547,8 +547,11 @@ protolib_cache_maybe_load(struct protolib_cache *cache,
 			  const char *key, int own_key, bool allow_private,
 			  struct protolib **retp)
 {
-	if (DICT_FIND_VAL(&cache->protolibs, &key, retp) == 0)
+	if (DICT_FIND_VAL(&cache->protolibs, &key, retp) == 0) {
+		if (*retp != NULL && own_key)
+			free((void *) key);
 		return 0;
+	}
 
 	if (strdup_if(&key, key, !own_key) < 0) {
 		fprintf(stderr, "Couldn't cache %s: %s\n",
-- 
1.8.5.6