Hi Zhu, Thank you for the patch! Perhaps something to improve: [auto build test WARNING on linus/master] [also build test WARNING on v5.13 next-20210630] [If your patch is applied to the wrong git tree, kindly drop us a note. And when submitting patch, we suggest to use '--base' as documented in https://git-scm.com/docs/git-format-patch] url: https://github.com/0day-ci/linux/commits/Zhu-Lingshan/vDPA-ifcvf-implement-management-netlink-framework/20210630-162940 base: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git 007b350a58754a93ca9fe50c498cc27780171153 config: x86_64-randconfig-a015-20210630 (attached as .config) compiler: clang version 13.0.0 (https://github.com/llvm/llvm-project 8d21d5472501460933e78aead04cf59579025ba4) reproduce (this is a W=1 build): wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross # install x86_64 cross compiling tool for clang build # apt-get install binutils-x86-64-linux-gnu # https://github.com/0day-ci/linux/commit/7ea782fbd896e1a5b3c01b29f4929773748a525f git remote add linux-review https://github.com/0day-ci/linux git fetch --no-tags linux-review Zhu-Lingshan/vDPA-ifcvf-implement-management-netlink-framework/20210630-162940 git checkout 7ea782fbd896e1a5b3c01b29f4929773748a525f # save the attached .config to linux build tree COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross ARCH=x86_64 If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp@xxxxxxxxx> All warnings (new ones prefixed by >>): >> drivers/vdpa/ifcvf/ifcvf_main.c:612:14: warning: variable 'adapter' is uninitialized when used here [-Wuninitialized] put_device(&adapter->vdpa.dev); ^~~~~~~ drivers/vdpa/ifcvf/ifcvf_main.c:546:31: note: initialize the variable 'adapter' to silence this warning struct ifcvf_adapter *adapter; ^ = NULL 1 warning generated. vim +/adapter +612 drivers/vdpa/ifcvf/ifcvf_main.c 7ea782fbd896e1 drivers/vdpa/ifcvf/ifcvf_main.c Zhu Lingshan 2021-06-30 541 7ea782fbd896e1 drivers/vdpa/ifcvf/ifcvf_main.c Zhu Lingshan 2021-06-30 542 static int ifcvf_probe(struct pci_dev *pdev, const struct pci_device_id *id) 7ea782fbd896e1 drivers/vdpa/ifcvf/ifcvf_main.c Zhu Lingshan 2021-06-30 543 { 7ea782fbd896e1 drivers/vdpa/ifcvf/ifcvf_main.c Zhu Lingshan 2021-06-30 544 struct ifcvf_vdpa_mgmt_dev *ifcvf_mgmt_dev; 7ea782fbd896e1 drivers/vdpa/ifcvf/ifcvf_main.c Zhu Lingshan 2021-06-30 545 struct device *dev = &pdev->dev; 7ea782fbd896e1 drivers/vdpa/ifcvf/ifcvf_main.c Zhu Lingshan 2021-06-30 546 struct ifcvf_adapter *adapter; 7ea782fbd896e1 drivers/vdpa/ifcvf/ifcvf_main.c Zhu Lingshan 2021-06-30 547 u32 dev_type; 7ea782fbd896e1 drivers/vdpa/ifcvf/ifcvf_main.c Zhu Lingshan 2021-06-30 548 int ret; 7ea782fbd896e1 drivers/vdpa/ifcvf/ifcvf_main.c Zhu Lingshan 2021-06-30 549 7ea782fbd896e1 drivers/vdpa/ifcvf/ifcvf_main.c Zhu Lingshan 2021-06-30 550 ifcvf_mgmt_dev = kzalloc(sizeof(struct ifcvf_vdpa_mgmt_dev), GFP_KERNEL); 7ea782fbd896e1 drivers/vdpa/ifcvf/ifcvf_main.c Zhu Lingshan 2021-06-30 551 if (!ifcvf_mgmt_dev) { 7ea782fbd896e1 drivers/vdpa/ifcvf/ifcvf_main.c Zhu Lingshan 2021-06-30 552 IFCVF_ERR(pdev, "Failed to alloc memory for the vDPA management device\n"); 7ea782fbd896e1 drivers/vdpa/ifcvf/ifcvf_main.c Zhu Lingshan 2021-06-30 553 return -ENOMEM; 7ea782fbd896e1 drivers/vdpa/ifcvf/ifcvf_main.c Zhu Lingshan 2021-06-30 554 } 7ea782fbd896e1 drivers/vdpa/ifcvf/ifcvf_main.c Zhu Lingshan 2021-06-30 555 7ea782fbd896e1 drivers/vdpa/ifcvf/ifcvf_main.c Zhu Lingshan 2021-06-30 556 dev_type = get_dev_type(pdev); 7ea782fbd896e1 drivers/vdpa/ifcvf/ifcvf_main.c Zhu Lingshan 2021-06-30 557 switch (dev_type) { 7ea782fbd896e1 drivers/vdpa/ifcvf/ifcvf_main.c Zhu Lingshan 2021-06-30 558 case VIRTIO_ID_NET: 7ea782fbd896e1 drivers/vdpa/ifcvf/ifcvf_main.c Zhu Lingshan 2021-06-30 559 ifcvf_mgmt_dev->mdev.id_table = id_table_net; 7ea782fbd896e1 drivers/vdpa/ifcvf/ifcvf_main.c Zhu Lingshan 2021-06-30 560 break; 7ea782fbd896e1 drivers/vdpa/ifcvf/ifcvf_main.c Zhu Lingshan 2021-06-30 561 case VIRTIO_ID_BLOCK: 7ea782fbd896e1 drivers/vdpa/ifcvf/ifcvf_main.c Zhu Lingshan 2021-06-30 562 ifcvf_mgmt_dev->mdev.id_table = id_table_blk; 7ea782fbd896e1 drivers/vdpa/ifcvf/ifcvf_main.c Zhu Lingshan 2021-06-30 563 break; 7ea782fbd896e1 drivers/vdpa/ifcvf/ifcvf_main.c Zhu Lingshan 2021-06-30 564 default: 7ea782fbd896e1 drivers/vdpa/ifcvf/ifcvf_main.c Zhu Lingshan 2021-06-30 565 IFCVF_ERR(pdev, "VIRTIO ID %u not supported\n", dev_type); 7ea782fbd896e1 drivers/vdpa/ifcvf/ifcvf_main.c Zhu Lingshan 2021-06-30 566 ret = -EOPNOTSUPP; 7ea782fbd896e1 drivers/vdpa/ifcvf/ifcvf_main.c Zhu Lingshan 2021-06-30 567 goto err; 7ea782fbd896e1 drivers/vdpa/ifcvf/ifcvf_main.c Zhu Lingshan 2021-06-30 568 } 7ea782fbd896e1 drivers/vdpa/ifcvf/ifcvf_main.c Zhu Lingshan 2021-06-30 569 7ea782fbd896e1 drivers/vdpa/ifcvf/ifcvf_main.c Zhu Lingshan 2021-06-30 570 ifcvf_mgmt_dev->mdev.ops = &ifcvf_vdpa_mgmt_dev_ops; 7ea782fbd896e1 drivers/vdpa/ifcvf/ifcvf_main.c Zhu Lingshan 2021-06-30 571 ifcvf_mgmt_dev->mdev.device = dev; 7ea782fbd896e1 drivers/vdpa/ifcvf/ifcvf_main.c Zhu Lingshan 2021-06-30 572 ifcvf_mgmt_dev->pdev = pdev; 7ea782fbd896e1 drivers/vdpa/ifcvf/ifcvf_main.c Zhu Lingshan 2021-06-30 573 7ea782fbd896e1 drivers/vdpa/ifcvf/ifcvf_main.c Zhu Lingshan 2021-06-30 574 ret = pcim_enable_device(pdev); 7ea782fbd896e1 drivers/vdpa/ifcvf/ifcvf_main.c Zhu Lingshan 2021-06-30 575 if (ret) { 7ea782fbd896e1 drivers/vdpa/ifcvf/ifcvf_main.c Zhu Lingshan 2021-06-30 576 IFCVF_ERR(pdev, "Failed to enable device\n"); 7ea782fbd896e1 drivers/vdpa/ifcvf/ifcvf_main.c Zhu Lingshan 2021-06-30 577 goto err; 7ea782fbd896e1 drivers/vdpa/ifcvf/ifcvf_main.c Zhu Lingshan 2021-06-30 578 } 7ea782fbd896e1 drivers/vdpa/ifcvf/ifcvf_main.c Zhu Lingshan 2021-06-30 579 7ea782fbd896e1 drivers/vdpa/ifcvf/ifcvf_main.c Zhu Lingshan 2021-06-30 580 ret = pcim_iomap_regions(pdev, BIT(0) | BIT(2) | BIT(4), 7ea782fbd896e1 drivers/vdpa/ifcvf/ifcvf_main.c Zhu Lingshan 2021-06-30 581 IFCVF_DRIVER_NAME); 7ea782fbd896e1 drivers/vdpa/ifcvf/ifcvf_main.c Zhu Lingshan 2021-06-30 582 if (ret) { 7ea782fbd896e1 drivers/vdpa/ifcvf/ifcvf_main.c Zhu Lingshan 2021-06-30 583 IFCVF_ERR(pdev, "Failed to request MMIO region\n"); 7ea782fbd896e1 drivers/vdpa/ifcvf/ifcvf_main.c Zhu Lingshan 2021-06-30 584 goto err; 7ea782fbd896e1 drivers/vdpa/ifcvf/ifcvf_main.c Zhu Lingshan 2021-06-30 585 } 7ea782fbd896e1 drivers/vdpa/ifcvf/ifcvf_main.c Zhu Lingshan 2021-06-30 586 7ea782fbd896e1 drivers/vdpa/ifcvf/ifcvf_main.c Zhu Lingshan 2021-06-30 587 ret = dma_set_mask_and_coherent(dev, DMA_BIT_MASK(64)); 7ea782fbd896e1 drivers/vdpa/ifcvf/ifcvf_main.c Zhu Lingshan 2021-06-30 588 if (ret) { 7ea782fbd896e1 drivers/vdpa/ifcvf/ifcvf_main.c Zhu Lingshan 2021-06-30 589 IFCVF_ERR(pdev, "No usable DMA configuration\n"); 7ea782fbd896e1 drivers/vdpa/ifcvf/ifcvf_main.c Zhu Lingshan 2021-06-30 590 goto err; 7ea782fbd896e1 drivers/vdpa/ifcvf/ifcvf_main.c Zhu Lingshan 2021-06-30 591 } 7ea782fbd896e1 drivers/vdpa/ifcvf/ifcvf_main.c Zhu Lingshan 2021-06-30 592 7ea782fbd896e1 drivers/vdpa/ifcvf/ifcvf_main.c Zhu Lingshan 2021-06-30 593 ret = devm_add_action_or_reset(dev, ifcvf_free_irq_vectors, pdev); 7ea782fbd896e1 drivers/vdpa/ifcvf/ifcvf_main.c Zhu Lingshan 2021-06-30 594 if (ret) { 7ea782fbd896e1 drivers/vdpa/ifcvf/ifcvf_main.c Zhu Lingshan 2021-06-30 595 IFCVF_ERR(pdev, 7ea782fbd896e1 drivers/vdpa/ifcvf/ifcvf_main.c Zhu Lingshan 2021-06-30 596 "Failed for adding devres for freeing irq vectors\n"); 7ea782fbd896e1 drivers/vdpa/ifcvf/ifcvf_main.c Zhu Lingshan 2021-06-30 597 goto err; 7ea782fbd896e1 drivers/vdpa/ifcvf/ifcvf_main.c Zhu Lingshan 2021-06-30 598 } 7ea782fbd896e1 drivers/vdpa/ifcvf/ifcvf_main.c Zhu Lingshan 2021-06-30 599 7ea782fbd896e1 drivers/vdpa/ifcvf/ifcvf_main.c Zhu Lingshan 2021-06-30 600 pci_set_master(pdev); 7ea782fbd896e1 drivers/vdpa/ifcvf/ifcvf_main.c Zhu Lingshan 2021-06-30 601 7ea782fbd896e1 drivers/vdpa/ifcvf/ifcvf_main.c Zhu Lingshan 2021-06-30 602 ret = vdpa_mgmtdev_register(&ifcvf_mgmt_dev->mdev); 7ea782fbd896e1 drivers/vdpa/ifcvf/ifcvf_main.c Zhu Lingshan 2021-06-30 603 if (ret) { 7ea782fbd896e1 drivers/vdpa/ifcvf/ifcvf_main.c Zhu Lingshan 2021-06-30 604 IFCVF_ERR(pdev, 7ea782fbd896e1 drivers/vdpa/ifcvf/ifcvf_main.c Zhu Lingshan 2021-06-30 605 "Failed to initialize the management interfaces\n"); 5a2414bc454e89 drivers/virtio/vdpa/ifcvf/ifcvf_main.c Zhu Lingshan 2020-03-26 606 goto err; 5a2414bc454e89 drivers/virtio/vdpa/ifcvf/ifcvf_main.c Zhu Lingshan 2020-03-26 607 } 5a2414bc454e89 drivers/virtio/vdpa/ifcvf/ifcvf_main.c Zhu Lingshan 2020-03-26 608 5a2414bc454e89 drivers/virtio/vdpa/ifcvf/ifcvf_main.c Zhu Lingshan 2020-03-26 609 return 0; 5a2414bc454e89 drivers/virtio/vdpa/ifcvf/ifcvf_main.c Zhu Lingshan 2020-03-26 610 5a2414bc454e89 drivers/virtio/vdpa/ifcvf/ifcvf_main.c Zhu Lingshan 2020-03-26 611 err: 5a2414bc454e89 drivers/virtio/vdpa/ifcvf/ifcvf_main.c Zhu Lingshan 2020-03-26 @612 put_device(&adapter->vdpa.dev); 7ea782fbd896e1 drivers/vdpa/ifcvf/ifcvf_main.c Zhu Lingshan 2021-06-30 613 kfree(ifcvf_mgmt_dev); 5a2414bc454e89 drivers/virtio/vdpa/ifcvf/ifcvf_main.c Zhu Lingshan 2020-03-26 614 return ret; 5a2414bc454e89 drivers/virtio/vdpa/ifcvf/ifcvf_main.c Zhu Lingshan 2020-03-26 615 } 5a2414bc454e89 drivers/virtio/vdpa/ifcvf/ifcvf_main.c Zhu Lingshan 2020-03-26 616 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@xxxxxxxxxxxx
Attachment:
.config.gz
Description: application/gzip
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