Improve use of compiler attributes

[tinc] / src / net_setup.c

diff --git a/src/net_setup.c b/src/net_setup.c
index 40cdaf6..0318613 100644 (file)
--- a/src/net_setup.c
+++ b/src/net_setup.c
@@ -903,7 +903,8 @@ static bool setup_myself(void) {
 
                if(!cipher_open_by_name(myself->incipher, cipher)) {
                        logger(DEBUG_ALWAYS, LOG_ERR, "Unrecognized cipher type!");
-                       cipher_free(&myself->incipher);
+                       cipher_free(myself->incipher);
+                       myself->incipher = NULL;
                        free(cipher);
                        return false;
                }
@@ -938,7 +939,8 @@ static bool setup_myself(void) {
 
                if(!digest_open_by_name(myself->indigest, digest, maclength)) {
                        logger(DEBUG_ALWAYS, LOG_ERR, "Unrecognized digest type!");
-                       digest_free(&myself->indigest);
+                       digest_free(myself->indigest);
+                       myself->indigest = NULL;
                        free(digest);
                        return false;
                }