Monitor: remove unneeded checks

It's not needed to check the return of qobject_from_jsonf()
anymore, as an assert() has been added there.
Signed-off-by: NLuiz Capitulino <lcapitulino@redhat.com>
Signed-off-by: NAnthony Liguori <aliguori@us.ibm.com>

block.c

@@ -1301,7 +1301,6 @@ void bdrv_info(Monitor *mon, QObject **ret_data)
                                     "'removable': %i, 'locked': %i }",
                                     bs->device_name, type, bs->removable,
                                     bs->locked);
-        assert(bs_obj != NULL);
 
         if (bs->drv) {
             QObject *obj;
@@ -1312,7 +1311,6 @@ void bdrv_info(Monitor *mon, QObject **ret_data)
                                      bs->filename, bs->read_only,
                                      bs->drv->format_name,
                                      bdrv_is_encrypted(bs));
-            assert(obj != NULL);
             if (bs->backing_file[0] != '\0') {
                 QDict *qdict = qobject_to_qdict(obj);
                 qdict_put(qdict, "backing_file",
@@ -1398,7 +1396,6 @@ void bdrv_info_stats(Monitor *mon, QObject **ret_data)
                                  bs->device_name,
                                  bs->rd_bytes, bs->wr_bytes,
                                  bs->rd_ops, bs->wr_ops);
-        assert(obj != NULL);
         qlist_append_obj(devices, obj);
     }
 

hw/pci-hotplug.c

@@ -285,7 +285,6 @@ void pci_device_hot_add(Monitor *mon, const QDict *qdict, QObject **ret_data)
         qobject_from_jsonf("{ 'domain': 0, 'bus': %d, 'slot': %d, "
                            "'function': %d }", pci_bus_num(dev->bus),
                            PCI_SLOT(dev->devfn), PCI_FUNC(dev->devfn));
-        assert(*ret_data != NULL);
     } else
         monitor_printf(mon, "failed to add %s\n", opts);
 }

migration.c

@@ -183,8 +183,6 @@ static void migrate_put_status(QDict *qdict, const char *name,
     obj = qobject_from_jsonf("{ 'transferred': %" PRId64 ", "
                                "'remaining': %" PRId64 ", "
                                "'total': %" PRId64 " }", trans, rem, total);
-    assert(obj != NULL);
-
     qdict_put_obj(qdict, name, obj);
 }
 
@@ -258,7 +256,6 @@ void do_info_migrate(Monitor *mon, QObject **ret_data)
             *ret_data = qobject_from_jsonf("{ 'status': 'cancelled' }");
             break;
         }
-        assert(*ret_data != NULL);
     }
 }
 

monitor.c

@@ -351,8 +351,6 @@ static void timestamp_put(QDict *qdict)
     obj = qobject_from_jsonf("{ 'seconds': %" PRId64 ", "
                                 "'microseconds': %" PRId64 " }",
                                 (int64_t) tv.tv_sec, (int64_t) tv.tv_usec);
-    assert(obj != NULL);
-
     qdict_put_obj(qdict, "timestamp", obj);
 }
 
@@ -900,7 +898,6 @@ static void do_info_cpus(Monitor *mon, QObject **ret_data)
         obj = qobject_from_jsonf("{ 'CPU': %d, 'current': %i, 'halted': %i }",
                                  env->cpu_index, env == mon->mon_cpu,
                                  env->halted);
-        assert(obj != NULL);
 
         cpu = qobject_to_qdict(obj);
 
@@ -4415,8 +4412,6 @@ static void monitor_control_event(void *opaque, int event)
         json_message_parser_init(&mon->mc->parser, handle_qmp_command);
 
         data = get_qmp_greeting();
-        assert(data != NULL);
-
         monitor_json_emitter(mon, data);
         qobject_decref(data);
     }