[intel-lts:6.18/linux 1/1] drivers/misc/mei/hw-virtio.c:704:9: sparse: sparse: no generic selection for 'unsigned int virtio_cread_v'
kernel test robot <[email protected]>
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:::::: :::::: Manual check reason: "low confidence static check warning: drivers/misc/mei/hw-virtio.c:704:9: sparse: sparse: no generic selection for 'unsigned int virtio_cread_v'" :::::: BCC: [email protected] CC: [email protected] TO: Alexander Usyskin <[email protected]> CC: "sys_oak" <[email protected]> CC: Wang Yu <[email protected]> CC: Liu Shuo <[email protected]> tree: https://github.com/intel/linux-intel-lts.git 6.18/linux head: 5100e1c74efeba843945492f8d5840e6166c0392 commit: e5479216aa5ef4d1d806c4ec9d7e7b6fded0dff1 [1/1] mei: virtio: virtualization frontend driver :::::: branch date: 10 days ago :::::: commit date: 6 months ago config: x86_64-randconfig-r111-20260708 (https://download.01.org/0day-ci/archive/20260709/[email protected]/config) compiler: gcc-14 (Debian 14.2.0-19) 14.2.0 sparse: v0.6.5-rc1 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20260709/[email protected]/reproduce) If you fix the issue in a separate patch/commit (i.e. not just a new version of the same patch/commit), kindly add following tags | Reported-by: kernel test robot <[email protected]> | Closes: https://lore.kernel.org/r/[email protected]/ sparse warnings: (new ones prefixed by >>) >> drivers/misc/mei/hw-virtio.c:704:9: sparse: sparse: no generic selection for 'unsigned int virtio_cread_v' >> drivers/misc/mei/hw-virtio.c:704:9: sparse: sparse: incompatible types in comparison expression (different base types): drivers/misc/mei/hw-virtio.c:704:9: sparse: bad type * drivers/misc/mei/hw-virtio.c:704:9: sparse: unsigned int * >> drivers/misc/mei/hw-virtio.c:704:9: sparse: sparse: no generic selection for 'unsigned int [addressable] virtio_cread_v' vim +704 drivers/misc/mei/hw-virtio.c e5479216aa5ef4d Alexander Usyskin 2020-08-18 686 e5479216aa5ef4d Alexander Usyskin 2020-08-18 687 static int mei_virtio_probe(struct virtio_device *vdev) e5479216aa5ef4d Alexander Usyskin 2020-08-18 688 { e5479216aa5ef4d Alexander Usyskin 2020-08-18 689 struct mei_virtio_hw *hw; e5479216aa5ef4d Alexander Usyskin 2020-08-18 690 int ret; e5479216aa5ef4d Alexander Usyskin 2020-08-18 691 e5479216aa5ef4d Alexander Usyskin 2020-08-18 692 hw = devm_kzalloc(&vdev->dev, sizeof(*hw), GFP_KERNEL); e5479216aa5ef4d Alexander Usyskin 2020-08-18 693 if (!hw) e5479216aa5ef4d Alexander Usyskin 2020-08-18 694 return -ENOMEM; e5479216aa5ef4d Alexander Usyskin 2020-08-18 695 e5479216aa5ef4d Alexander Usyskin 2020-08-18 696 vdev->priv = hw; e5479216aa5ef4d Alexander Usyskin 2020-08-18 697 e5479216aa5ef4d Alexander Usyskin 2020-08-18 698 INIT_WORK(&hw->intr_handler, mei_virtio_intr_handler); e5479216aa5ef4d Alexander Usyskin 2020-08-18 699 e5479216aa5ef4d Alexander Usyskin 2020-08-18 700 ret = mei_virtio_init_vqs(hw, vdev); e5479216aa5ef4d Alexander Usyskin 2020-08-18 701 if (ret) e5479216aa5ef4d Alexander Usyskin 2020-08-18 702 goto vqs_failed; e5479216aa5ef4d Alexander Usyskin 2020-08-18 703 e5479216aa5ef4d Alexander Usyskin 2020-08-18 @704 virtio_cread(vdev, struct mei_virtio_cfg, e5479216aa5ef4d Alexander Usyskin 2020-08-18 705 buf_depth, &hw->cfg.buf_depth); e5479216aa5ef4d Alexander Usyskin 2020-08-18 706 e5479216aa5ef4d Alexander Usyskin 2020-08-18 707 hw->recv_buf = kzalloc(mei_slots2data(hw->cfg.buf_depth), GFP_KERNEL); e5479216aa5ef4d Alexander Usyskin 2020-08-18 708 if (!hw->recv_buf) { e5479216aa5ef4d Alexander Usyskin 2020-08-18 709 ret = -ENOMEM; e5479216aa5ef4d Alexander Usyskin 2020-08-18 710 goto hbuf_failed; e5479216aa5ef4d Alexander Usyskin 2020-08-18 711 } e5479216aa5ef4d Alexander Usyskin 2020-08-18 712 atomic_set(&hw->hbuf_ready, 0); e5479216aa5ef4d Alexander Usyskin 2020-08-18 713 e5479216aa5ef4d Alexander Usyskin 2020-08-18 714 virtio_device_ready(vdev); e5479216aa5ef4d Alexander Usyskin 2020-08-18 715 e5479216aa5ef4d Alexander Usyskin 2020-08-18 716 mei_device_init(&hw->mdev, &vdev->dev, false, &mei_virtio_ops); e5479216aa5ef4d Alexander Usyskin 2020-08-18 717 e5479216aa5ef4d Alexander Usyskin 2020-08-18 718 pm_runtime_get_noresume(&vdev->dev); e5479216aa5ef4d Alexander Usyskin 2020-08-18 719 pm_runtime_set_active(&vdev->dev); e5479216aa5ef4d Alexander Usyskin 2020-08-18 720 pm_runtime_enable(&vdev->dev); e5479216aa5ef4d Alexander Usyskin 2020-08-18 721 e5479216aa5ef4d Alexander Usyskin 2020-08-18 722 ret = mei_start(&hw->mdev); e5479216aa5ef4d Alexander Usyskin 2020-08-18 723 if (ret) e5479216aa5ef4d Alexander Usyskin 2020-08-18 724 goto mei_start_failed; e5479216aa5ef4d Alexander Usyskin 2020-08-18 725 e5479216aa5ef4d Alexander Usyskin 2020-08-18 726 pm_runtime_set_autosuspend_delay(&vdev->dev, MEI_VIRTIO_RPM_TIMEOUT); e5479216aa5ef4d Alexander Usyskin 2020-08-18 727 pm_runtime_use_autosuspend(&vdev->dev); e5479216aa5ef4d Alexander Usyskin 2020-08-18 728 e5479216aa5ef4d Alexander Usyskin 2020-08-18 729 ret = mei_register(&hw->mdev, &vdev->dev); e5479216aa5ef4d Alexander Usyskin 2020-08-18 730 if (ret) e5479216aa5ef4d Alexander Usyskin 2020-08-18 731 goto mei_failed; e5479216aa5ef4d Alexander Usyskin 2020-08-18 732 e5479216aa5ef4d Alexander Usyskin 2020-08-18 733 pm_runtime_put(&vdev->dev); e5479216aa5ef4d Alexander Usyskin 2020-08-18 734 e5479216aa5ef4d Alexander Usyskin 2020-08-18 735 return 0; e5479216aa5ef4d Alexander Usyskin 2020-08-18 736 e5479216aa5ef4d Alexander Usyskin 2020-08-18 737 mei_failed: e5479216aa5ef4d Alexander Usyskin 2020-08-18 738 mei_stop(&hw->mdev); e5479216aa5ef4d Alexander Usyskin 2020-08-18 739 mei_start_failed: e5479216aa5ef4d Alexander Usyskin 2020-08-18 740 mei_cancel_work(&hw->mdev); e5479216aa5ef4d Alexander Usyskin 2020-08-18 741 mei_disable_interrupts(&hw->mdev); e5479216aa5ef4d Alexander Usyskin 2020-08-18 742 kfree(hw->recv_buf); e5479216aa5ef4d Alexander Usyskin 2020-08-18 743 hbuf_failed: e5479216aa5ef4d Alexander Usyskin 2020-08-18 744 vdev->config->del_vqs(vdev); e5479216aa5ef4d Alexander Usyskin 2020-08-18 745 vqs_failed: e5479216aa5ef4d Alexander Usyskin 2020-08-18 746 return ret; e5479216aa5ef4d Alexander Usyskin 2020-08-18 747 } e5479216aa5ef4d Alexander Usyskin 2020-08-18 748 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki