Improve use of compiler attributes

[tinc] / src / address_cache.c

diff --git a/src/address_cache.c b/src/address_cache.c
index a414f46..d9996fb 100644 (file)
--- a/src/address_cache.c
+++ b/src/address_cache.c
@@ -213,7 +213,9 @@ const sockaddr_t *get_recent_address(address_cache_t *cache) {
        }
 
        // We're all out of addresses.
-       exit_configuration(&cache->config_tree);
+       exit_configuration(cache->config_tree);
+       cache->config_tree = NULL;
+
        return false;
 }
 
@@ -255,7 +257,8 @@ void reset_address_cache(address_cache_t *cache, const sockaddr_t *sa) {
        }
 
        if(cache->config_tree) {
-               exit_configuration(&cache->config_tree);
+               exit_configuration(cache->config_tree);
+               cache->config_tree = NULL;
        }
 
        if(cache->ai) {
@@ -271,7 +274,8 @@ void reset_address_cache(address_cache_t *cache, const sockaddr_t *sa) {
 
 void close_address_cache(address_cache_t *cache) {
        if(cache->config_tree) {
-               exit_configuration(&cache->config_tree);
+               exit_configuration(cache->config_tree);
+               cache->config_tree = NULL;
        }
 
        if(cache->ai) {