Hi Michael, [auto build test WARNING on net-next/master -- if it's inappropriate base, please suggest rules for selecting the more suitable base]
url: https://github.com/0day-ci/linux/commits/Michael-Grzeschik/arcnet-move-dev_free_skb-to-its-only-user/20151021-235034 reproduce: # apt-get install sparse make ARCH=x86_64 allmodconfig make C=1 CF=-D__CHECK_ENDIAN__ sparse warnings: (new ones prefixed by >>) >> drivers/net/arcnet/com20020-pci.c:101:17: sparse: dereference of noderef >> expression drivers/net/arcnet/com20020-pci.c:152:36: sparse: dereference of noderef expression vim +101 drivers/net/arcnet/com20020-pci.c 85 86 ci = (struct com20020_pci_card_info *)id->driver_data; 87 priv->ci = ci; 88 mm = &ci->misc_map; 89 90 INIT_LIST_HEAD(&priv->list_dev); 91 92 if (mm->size) { 93 ioaddr = pci_resource_start(pdev, mm->bar) + mm->offset; 94 r = devm_request_region(&pdev->dev, ioaddr, mm->size, 95 "com20020-pci"); 96 if (!r) { 97 pr_err("IO region %xh-%xh already allocated.\n", 98 ioaddr, ioaddr + mm->size - 1); 99 return -EBUSY; 100 } > 101 priv->misc = ioaddr; 102 } 103 104 for (i = 0; i < ci->devcount; i++) { 105 struct com20020_pci_channel_map *cm = &ci->chan_map_tbl[i]; 106 struct com20020_dev *card; 107 108 dev = alloc_arcdev(device); 109 if (!dev) { --- 0-DAY kernel test infrastructure Open Source Technology Center https://lists.01.org/pipermail/kbuild-all Intel Corporation -- To unsubscribe from this list: send the line "unsubscribe netdev" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html
