tree: https://git.kernel.org/pub/scm/linux/kernel/git/mst/vhost.git vhost head: da1742791d8c0c0a8e5471f181549c4726a5c5f9 commit: 7527631e900d464ed2d533f799cb0da2b29cc6f0 [8/22] virtio-mem: Paravirtualized memory hotplug config: x86_64-randconfig-b002-20200505 (attached as .config) compiler: gcc-7 (Ubuntu 7.5.0-6ubuntu2) 7.5.0 reproduce: git checkout 7527631e900d464ed2d533f799cb0da2b29cc6f0 # save the attached .config to linux build tree make ARCH=x86_64 If you fix the issue, kindly add following tag as appropriate Reported-by: kbuild test robot <lkp@xxxxxxxxx> All error/warnings (new ones prefixed by >>): drivers/virtio/virtio_mem.c: In function 'virtio_mem_probe': >> drivers/virtio/virtio_mem.c:1375:20: error: implicit declaration of function 'kzalloc'; did you mean 'vzalloc'? [-Werror=implicit-function-declaration] vdev->priv = vm = kzalloc(sizeof(*vm), GFP_KERNEL); ^~~~~~~ vzalloc >> drivers/virtio/virtio_mem.c:1375:18: warning: assignment makes pointer from integer without a cast [-Wint-conversion] vdev->priv = vm = kzalloc(sizeof(*vm), GFP_KERNEL); ^ >> drivers/virtio/virtio_mem.c:1419:2: error: implicit declaration of function 'kfree'; did you mean 'vfree'? [-Werror=implicit-function-declaration] kfree(vm); ^~~~~ vfree cc1: some warnings being treated as errors vim +1375 drivers/virtio/virtio_mem.c 1369 1370 static int virtio_mem_probe(struct virtio_device *vdev) 1371 { 1372 struct virtio_mem *vm; 1373 int rc = -EINVAL; 1374 > 1375 vdev->priv = vm = kzalloc(sizeof(*vm), GFP_KERNEL); 1376 if (!vm) 1377 return -ENOMEM; 1378 1379 init_waitqueue_head(&vm->host_resp); 1380 vm->vdev = vdev; 1381 INIT_WORK(&vm->wq, virtio_mem_run_wq); 1382 mutex_init(&vm->hotplug_mutex); 1383 INIT_LIST_HEAD(&vm->next); 1384 spin_lock_init(&vm->removal_lock); 1385 hrtimer_init(&vm->retry_timer, CLOCK_MONOTONIC, HRTIMER_MODE_REL); 1386 vm->retry_timer.function = virtio_mem_timer_expired; 1387 1388 /* register the virtqueue */ 1389 rc = virtio_mem_init_vq(vm); 1390 if (rc) 1391 goto out_free_vm; 1392 1393 /* initialize the device by querying the config */ 1394 rc = virtio_mem_init(vm); 1395 if (rc) 1396 goto out_del_vq; 1397 1398 /* register callbacks */ 1399 vm->memory_notifier.notifier_call = virtio_mem_memory_notifier_cb; 1400 rc = register_memory_notifier(&vm->memory_notifier); 1401 if (rc) 1402 goto out_del_vq; 1403 rc = register_virtio_mem_device(vm); 1404 if (rc) 1405 goto out_unreg_mem; 1406 1407 virtio_device_ready(vdev); 1408 1409 /* trigger a config update to start processing the requested_size */ 1410 atomic_set(&vm->config_changed, 1); 1411 queue_work(system_freezable_wq, &vm->wq); 1412 1413 return 0; 1414 out_unreg_mem: 1415 unregister_memory_notifier(&vm->memory_notifier); 1416 out_del_vq: 1417 vdev->config->del_vqs(vdev); 1418 out_free_vm: > 1419 kfree(vm); 1420 vdev->priv = NULL; 1421 1422 return rc; 1423 } 1424 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@xxxxxxxxxxxx
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