ubusd: don't free messages in ubus_send_msg() anymore

[project/ubus.git] / ubusd_proto.c

diff --git a/ubusd_proto.c b/ubusd_proto.c
index 72da7a7..441d084 100644 (file)
--- a/ubusd_proto.c
+++ b/ubusd_proto.c
@@ -89,7 +89,8 @@ ubus_proto_send_msg_from_blob(struct ubus_client *cl, struct ubus_msg_buf *ub,
        ub->hdr.type = type;
        ub->fd = fd;
 
-       ubus_msg_send(cl, ub, true);
+       ubus_msg_send(cl, ub);
+       ubus_msg_free(ub);
 }
 
 static bool ubusd_send_hello(struct ubus_client *cl)
@@ -102,14 +103,15 @@ static bool ubusd_send_hello(struct ubus_client *cl)
                return false;
 
        ubus_msg_init(ub, UBUS_MSG_HELLO, 0, cl->id.id);
-       ubus_msg_send(cl, ub, true);
+       ubus_msg_send(cl, ub);
+       ubus_msg_free(ub);
        return true;
 }
 
 static int ubusd_send_pong(struct ubus_client *cl, struct ubus_msg_buf *ub, struct blob_attr **attr)
 {
        ub->hdr.type = UBUS_MSG_DATA;
-       ubus_msg_send(cl, ub, false);
+       ubus_msg_send(cl, ub);
        return 0;
 }
 
@@ -274,7 +276,6 @@ static int ubusd_handle_invoke(struct ubus_client *cl, struct ubus_msg_buf *ub,
        blob_buf_init(&b, 0);
 
        ubusd_forward_invoke(cl, obj, method, ub, attr[UBUS_ATTR_DATA]);
-       ubus_msg_free(ub);
 
        return -1;
 }
@@ -322,7 +323,6 @@ static int ubusd_handle_notify(struct ubus_client *cl, struct ubus_msg_buf *ub,
                        blob_put_int8(&b, UBUS_ATTR_NO_REPLY, 1);
                ubusd_forward_invoke(cl, s->subscriber, method, ub, attr[UBUS_ATTR_DATA]);
        }
-       ubus_msg_free(ub);
 
        return -1;
 }
@@ -359,11 +359,8 @@ static int ubusd_handle_response(struct ubus_client *cl, struct ubus_msg_buf *ub
                goto error;
 
        ub->hdr.peer = blob_get_u32(attr[UBUS_ATTR_OBJID]);
-       ubus_msg_send(cl, ub, true);
-       return -1;
-
+       ubus_msg_send(cl, ub);
 error:
-       ubus_msg_free(ub);
        return -1;
 }
 
@@ -454,18 +451,20 @@ void ubusd_proto_receive_message(struct ubus_client *cl, struct ubus_msg_buf *ub
        if (ub->hdr.type != UBUS_MSG_STATUS && ub->hdr.type != UBUS_MSG_INVOKE)
                ubus_msg_close_fd(ub);
 
+       /* Note: no callback should free the `ub` buffer
+                that's always done right after the callback finishes */
        if (cb)
                ret = cb(cl, ub, ubus_parse_msg(ub->data));
        else
                ret = UBUS_STATUS_INVALID_COMMAND;
 
+       ubus_msg_free(ub);
+
        if (ret == -1)
                return;
 
-       ubus_msg_free(ub);
-
        *retmsg_data = htonl(ret);
-       ubus_msg_send(cl, retmsg, false);
+       ubus_msg_send(cl, retmsg);
 }
 
 struct ubus_client *ubusd_proto_new_client(int fd, uloop_fd_handler cb)
@@ -526,7 +525,8 @@ void ubus_notify_subscription(struct ubus_object *obj)
                return;
 
        ubus_msg_init(ub, UBUS_MSG_NOTIFY, ++obj->invoke_seq, 0);
-       ubus_msg_send(obj->client, ub, true);
+       ubus_msg_send(obj->client, ub);
+       ubus_msg_free(ub);
 }
 
 void ubus_notify_unsubscribe(struct ubus_subscription *s)
@@ -540,7 +540,8 @@ void ubus_notify_unsubscribe(struct ubus_subscription *s)
        ub = ubus_msg_from_blob(false);
        if (ub != NULL) {
                ubus_msg_init(ub, UBUS_MSG_UNSUBSCRIBE, ++s->subscriber->invoke_seq, 0);
-               ubus_msg_send(s->subscriber->client, ub, true);
+               ubus_msg_send(s->subscriber->client, ub);
+               ubus_msg_free(ub);
        }
 
        ubus_unsubscribe(s);