From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mga09.intel.com (mga09.intel.com [134.134.136.24]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by ml01.01.org (Postfix) with ESMTPS id 9B84E21A09130 for ; Thu, 20 Jun 2019 02:49:22 -0700 (PDT) Date: Thu, 20 Jun 2019 17:48:42 +0800 From: kbuild test robot Subject: [linux-nvdimm:libnvdimm-for-next 4/15] drivers/nvdimm/virtio_pmem.c:61:9: sparse: sparse: incompatible types in comparison expression (different base types): Message-ID: <201906201741.FD4FeYGb%lkp@intel.com> MIME-Version: 1.0 Content-Disposition: inline List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Errors-To: linux-nvdimm-bounces@lists.01.org Sender: "Linux-nvdimm" To: Pankaj Gupta Cc: Cornelia Huck , kbuild-all@01.org, Yuval Shaia , linux-nvdimm@lists.01.org List-ID: tree: https://git.kernel.org/pub/scm/linux/kernel/git/nvdimm/nvdimm.git libnvdimm-for-next head: 3b6047778c09037615e7b919c922081ef1a37a7f commit: 5990fce9c50eae1261a52df1488d04a47f4cfca7 [4/15] virtio-pmem: Add virtio pmem driver reproduce: # apt-get install sparse # sparse version: v0.6.1-rc1-7-g2b96cd8-dirty git checkout 5990fce9c50eae1261a52df1488d04a47f4cfca7 make ARCH=x86_64 allmodconfig make C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__' If you fix the issue, kindly add following tag Reported-by: kbuild test robot sparse warnings: (new ones prefixed by >>) >> drivers/nvdimm/virtio_pmem.c:61:9: sparse: sparse: incompatible types in comparison expression (different base types): >> drivers/nvdimm/virtio_pmem.c:61:9: sparse: restricted __le64 * >> drivers/nvdimm/virtio_pmem.c:61:9: sparse: unsigned long long * drivers/nvdimm/virtio_pmem.c:63:9: sparse: sparse: incompatible types in comparison expression (different base types): drivers/nvdimm/virtio_pmem.c:63:9: sparse: restricted __le64 * drivers/nvdimm/virtio_pmem.c:63:9: sparse: unsigned long long * vim +61 drivers/nvdimm/virtio_pmem.c 31 32 static int virtio_pmem_probe(struct virtio_device *vdev) 33 { 34 struct nd_region_desc ndr_desc = {}; 35 int nid = dev_to_node(&vdev->dev); 36 struct nd_region *nd_region; 37 struct virtio_pmem *vpmem; 38 struct resource res; 39 int err = 0; 40 41 if (!vdev->config->get) { 42 dev_err(&vdev->dev, "%s failure: config access disabled\n", 43 __func__); 44 return -EINVAL; 45 } 46 47 vpmem = devm_kzalloc(&vdev->dev, sizeof(*vpmem), GFP_KERNEL); 48 if (!vpmem) { 49 err = -ENOMEM; 50 goto out_err; 51 } 52 53 vpmem->vdev = vdev; 54 vdev->priv = vpmem; 55 err = init_vq(vpmem); 56 if (err) { 57 dev_err(&vdev->dev, "failed to initialize virtio pmem vq's\n"); 58 goto out_err; 59 } 60 > 61 virtio_cread(vpmem->vdev, struct virtio_pmem_config, 62 start, &vpmem->start); 63 virtio_cread(vpmem->vdev, struct virtio_pmem_config, 64 size, &vpmem->size); 65 66 res.start = vpmem->start; 67 res.end = vpmem->start + vpmem->size - 1; 68 vpmem->nd_desc.provider_name = "virtio-pmem"; 69 vpmem->nd_desc.module = THIS_MODULE; 70 71 vpmem->nvdimm_bus = nvdimm_bus_register(&vdev->dev, 72 &vpmem->nd_desc); 73 if (!vpmem->nvdimm_bus) { 74 dev_err(&vdev->dev, "failed to register device with nvdimm_bus\n"); 75 err = -ENXIO; 76 goto out_vq; 77 } 78 79 dev_set_drvdata(&vdev->dev, vpmem->nvdimm_bus); 80 81 ndr_desc.res = &res; 82 ndr_desc.numa_node = nid; 83 ndr_desc.flush = async_pmem_flush; 84 set_bit(ND_REGION_PAGEMAP, &ndr_desc.flags); 85 set_bit(ND_REGION_ASYNC, &ndr_desc.flags); 86 nd_region = nvdimm_pmem_region_create(vpmem->nvdimm_bus, &ndr_desc); 87 if (!nd_region) { 88 dev_err(&vdev->dev, "failed to create nvdimm region\n"); 89 err = -ENXIO; 90 goto out_nd; 91 } 92 nd_region->provider_data = dev_to_virtio(nd_region->dev.parent->parent); 93 return 0; 94 out_nd: 95 nvdimm_bus_unregister(vpmem->nvdimm_bus); 96 out_vq: 97 vdev->config->del_vqs(vdev); 98 out_err: 99 return err; 100 } 101 --- 0-DAY kernel test infrastructure Open Source Technology Center https://lists.01.org/pipermail/kbuild-all Intel Corporation _______________________________________________ Linux-nvdimm mailing list Linux-nvdimm@lists.01.org https://lists.01.org/mailman/listinfo/linux-nvdimm