machine: add some missing asserts

diff --git a/src/machine/machinectl.c b/src/machine/machinectl.c
index 75743ce6a694d83b2c559bfd26b1b3be9672978c..e695bdbab4c3014d45b2080846902cbb1e7fec0d 100644 (file)
--- a/src/machine/machinectl.c
+++ b/src/machine/machinectl.c
@@ -1724,6 +1724,8 @@ static int rename_image(int argc, char *argv[], void *userdata) {
         sd_bus *bus = userdata;
         int r;
 
+        assert(bus);
+
         polkit_agent_open_if_enabled(arg_transport, arg_ask_password);
 
         r = sd_bus_call_method(
@@ -1749,6 +1751,8 @@ static int clone_image(int argc, char *argv[], void *userdata) {
         sd_bus *bus = userdata;
         int r;
 
+        assert(bus);
+
         polkit_agent_open_if_enabled(arg_transport, arg_ask_password);
 
         r = sd_bus_message_new_method_call(
@@ -1778,6 +1782,8 @@ static int read_only_image(int argc, char *argv[], void *userdata) {
         sd_bus *bus = userdata;
         int b = true, r;
 
+        assert(bus);
+
         if (argc > 2) {
                 b = parse_boolean(argv[2]);
                 if (b < 0) {