Hi Christian, [auto build test WARNING on pci/next] [also build test WARNING on v4.11-rc2 next-20170310] [if your patch is applied to the wrong git tree, please drop us a note to help improve the system] url: https://github.com/0day-ci/linux/commits/Christian-K-nig/PCI-add-resizeable-BAR-infrastructure-v3/20170314-163334 base: https://git.kernel.org/pub/scm/linux/kernel/git/helgaas/pci.git next config: i386-randconfig-x077-201711 (attached as .config) compiler: gcc-6 (Debian 6.2.0-3) 6.2.0 20160901 reproduce: # save the attached .config to linux build tree make ARCH=i386 All warnings (new ones prefixed by >>): drivers/pci/setup-res.c: In function 'pci_resize_resource': >> drivers/pci/setup-res.c:422:2: warning: ignoring return value of 'pci_reenable_device', declared with attribute warn_unused_result [-Wunused-result] pci_reenable_device(dev->bus->self); ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ drivers/pci/setup-res.c:432:2: warning: ignoring return value of 'pci_reenable_device', declared with attribute warn_unused_result [-Wunused-result] pci_reenable_device(dev->bus->self); ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ vim +/pci_reenable_device +422 drivers/pci/setup-res.c 406 res->end = resource_size(res) - 1; 407 res->start = 0; 408 if (resno < PCI_BRIDGE_RESOURCES) 409 pci_update_resource(dev, resno); 410 } 411 412 ret = pci_rbar_set_size(dev, resno, size); 413 if (ret) 414 goto error_reassign; 415 416 res->end = res->start + bytes - 1; 417 418 ret = pci_reassign_bridge_resources(dev->bus->self, res->flags); 419 if (ret) 420 goto error_resize; 421 > 422 pci_reenable_device(dev->bus->self); 423 return 0; 424 425 error_resize: 426 pci_rbar_set_size(dev, resno, old); 427 res->end = res->start + (1ULL << (old + 20)) - 1; 428 429 error_reassign: 430 pci_assign_unassigned_bus_resources(dev->bus); --- 0-DAY kernel test infrastructure Open Source Technology Center https://lists.01.org/pipermail/kbuild-all Intel Corporation
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