Messages in this thread | | | Date | Wed, 2 Sep 2020 11:33:50 +0800 | From | kernel test robot <> | Subject | drivers/net/ethernet/huawei/hinic/hinic_hw_mbox.c:570:21: sparse: sparse: cast to restricted __be32 |
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tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master head: b765a32a2e9170702467747e290614be072c4f76 commit: 088c5f0d1a7c7f01e668d9d2d75e7d93b43b7690 hinic: add generating mailbox random index support date: 4 weeks ago config: i386-randconfig-s001-20200902 (attached as .config) compiler: gcc-9 (Debian 9.3.0-15) 9.3.0 reproduce: # apt-get install sparse # sparse version: v0.6.2-191-g10164920-dirty git checkout 088c5f0d1a7c7f01e668d9d2d75e7d93b43b7690 # save the attached .config to linux build tree make W=1 C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__' ARCH=i386
If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp@intel.com>
sparse warnings: (new ones prefixed by >>)
>> drivers/net/ethernet/huawei/hinic/hinic_hw_mbox.c:570:21: sparse: sparse: cast to restricted __be32 >> drivers/net/ethernet/huawei/hinic/hinic_hw_mbox.c:570:21: sparse: sparse: cast to restricted __be32 >> drivers/net/ethernet/huawei/hinic/hinic_hw_mbox.c:570:21: sparse: sparse: cast to restricted __be32 >> drivers/net/ethernet/huawei/hinic/hinic_hw_mbox.c:570:21: sparse: sparse: cast to restricted __be32 >> drivers/net/ethernet/huawei/hinic/hinic_hw_mbox.c:570:21: sparse: sparse: cast to restricted __be32 >> drivers/net/ethernet/huawei/hinic/hinic_hw_mbox.c:570:21: sparse: sparse: cast to restricted __be32 drivers/net/ethernet/huawei/hinic/hinic_hw_mbox.c:648:54: sparse: sparse: incorrect type in argument 2 (different address spaces) @@ expected void volatile [noderef] __iomem *addr @@ got unsigned char [usertype] * @@ drivers/net/ethernet/huawei/hinic/hinic_hw_mbox.c:648:54: sparse: expected void volatile [noderef] __iomem *addr drivers/net/ethernet/huawei/hinic/hinic_hw_mbox.c:648:54: sparse: got unsigned char [usertype] * drivers/net/ethernet/huawei/hinic/hinic_hw_mbox.c:671:58: sparse: sparse: incorrect type in argument 2 (different address spaces) @@ expected void volatile [noderef] __iomem *addr @@ got unsigned char [usertype] * @@ drivers/net/ethernet/huawei/hinic/hinic_hw_mbox.c:671:58: sparse: expected void volatile [noderef] __iomem *addr drivers/net/ethernet/huawei/hinic/hinic_hw_mbox.c:671:58: sparse: got unsigned char [usertype] * drivers/net/ethernet/huawei/hinic/hinic_hw_mbox.c:723:22: sparse: sparse: cast to restricted __be64 drivers/net/ethernet/huawei/hinic/hinic_hw_mbox.c:723:22: sparse: sparse: cast to restricted __be64 drivers/net/ethernet/huawei/hinic/hinic_hw_mbox.c:723:22: sparse: sparse: cast to restricted __be64 drivers/net/ethernet/huawei/hinic/hinic_hw_mbox.c:723:22: sparse: sparse: cast to restricted __be64 drivers/net/ethernet/huawei/hinic/hinic_hw_mbox.c:723:22: sparse: sparse: cast to restricted __be64 drivers/net/ethernet/huawei/hinic/hinic_hw_mbox.c:723:22: sparse: sparse: cast to restricted __be64 drivers/net/ethernet/huawei/hinic/hinic_hw_mbox.c:723:22: sparse: sparse: cast to restricted __be64 drivers/net/ethernet/huawei/hinic/hinic_hw_mbox.c:723:22: sparse: sparse: cast to restricted __be64 drivers/net/ethernet/huawei/hinic/hinic_hw_mbox.c:723:22: sparse: sparse: cast to restricted __be64 drivers/net/ethernet/huawei/hinic/hinic_hw_mbox.c:723:22: sparse: sparse: cast to restricted __be64 drivers/net/ethernet/huawei/hinic/hinic_hw_mbox.c:1164:25: sparse: sparse: incorrect type in assignment (different address spaces) @@ expected unsigned char [usertype] *data @@ got void [noderef] __iomem * @@ drivers/net/ethernet/huawei/hinic/hinic_hw_mbox.c:1164:25: sparse: expected unsigned char [usertype] *data drivers/net/ethernet/huawei/hinic/hinic_hw_mbox.c:1164:25: sparse: got void [noderef] __iomem *
# https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=088c5f0d1a7c7f01e668d9d2d75e7d93b43b7690 git remote add linus https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git git fetch --no-tags linus master git checkout 088c5f0d1a7c7f01e668d9d2d75e7d93b43b7690 vim +570 drivers/net/ethernet/huawei/hinic/hinic_hw_mbox.c
541 542 static bool check_vf_mbox_random_id(struct hinic_mbox_func_to_func *func_to_func, 543 u8 *header) 544 { 545 struct hinic_hwdev *hwdev = func_to_func->hwdev; 546 struct hinic_mbox_work *mbox_work = NULL; 547 u64 mbox_header = *((u64 *)header); 548 u16 offset, src; 549 u32 random_id; 550 int vf_in_pf; 551 552 src = HINIC_MBOX_HEADER_GET(mbox_header, SRC_GLB_FUNC_IDX); 553 554 if (IS_PF_OR_PPF_SRC(src) || !func_to_func->support_vf_random) 555 return true; 556 557 if (!HINIC_IS_PPF(hwdev->hwif)) { 558 offset = hinic_glb_pf_vf_offset(hwdev->hwif); 559 vf_in_pf = src - offset; 560 561 if (vf_in_pf < 1 || vf_in_pf > hwdev->nic_cap.max_vf) { 562 dev_warn(&hwdev->hwif->pdev->dev, 563 "Receive vf id(0x%x) is invalid, vf id should be from 0x%x to 0x%x\n", 564 src, offset + 1, 565 hwdev->nic_cap.max_vf + offset); 566 return false; 567 } 568 } 569 > 570 random_id = be32_to_cpu(*(u32 *)(header + MBOX_SEG_LEN + 571 MBOX_HEADER_SZ)); 572 573 if (random_id == func_to_func->vf_mbx_rand_id[src] || 574 random_id == func_to_func->vf_mbx_old_rand_id[src]) 575 return true; 576 577 dev_warn(&hwdev->hwif->pdev->dev, 578 "The mailbox random id(0x%x) of func_id(0x%x) doesn't match with pf reservation(0x%x)\n", 579 random_id, src, func_to_func->vf_mbx_rand_id[src]); 580 581 mbox_work = kzalloc(sizeof(*mbox_work), GFP_KERNEL); 582 if (!mbox_work) 583 return false; 584 585 mbox_work->func_to_func = func_to_func; 586 mbox_work->src_func_idx = src; 587 588 INIT_WORK(&mbox_work->work, update_random_id_work_handler); 589 queue_work(func_to_func->workq, &mbox_work->work); 590 591 return false; 592 } 593
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