Hi Philipp, kernel test robot noticed the following build warnings: [auto build test WARNING on linus/master] [also build test WARNING on v6.13-rc1 next-20241128] [If your patch is applied to the wrong git tree, kindly drop us a note. And when submitting patch, we suggest to use '--base' as documented in https://git-scm.com/docs/git-format-patch#_base_tree_information] url: https://github.com/intel-lab-lkp/linux/commits/Philipp-Stanner/vdpa-solidrun-Replace-deprecated-PCI-functions/20241202-202728 base: linus/master patch link: https://lore.kernel.org/r/20241202122353.9793-2-pstanner%40redhat.com patch subject: [PATCH] vdpa: solidrun: Replace deprecated PCI functions config: loongarch-allyesconfig (https://download.01.org/0day-ci/archive/20241203/202412030150.SVZbOVDL-lkp@xxxxxxxxx/config) compiler: loongarch64-linux-gcc (GCC) 14.2.0 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20241203/202412030150.SVZbOVDL-lkp@xxxxxxxxx/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 <lkp@xxxxxxxxx> | Closes: https://lore.kernel.org/oe-kbuild-all/202412030150.SVZbOVDL-lkp@xxxxxxxxx/ All warnings (new ones prefixed by >>): drivers/vdpa/solidrun/snet_main.c: In function 'psnet_open_pf_bar': >> drivers/vdpa/solidrun/snet_main.c:559:13: warning: unused variable 'ret' [-Wunused-variable] 559 | int ret; | ^~~ vim +/ret +559 drivers/vdpa/solidrun/snet_main.c 555 556 static int psnet_open_pf_bar(struct pci_dev *pdev, struct psnet *psnet) 557 { 558 char *name; > 559 int ret; 560 unsigned short i, bars_found = 0; 561 void __iomem *io; 562 563 name = devm_kasprintf(&pdev->dev, GFP_KERNEL, "psnet[%s]-bars", pci_name(pdev)); 564 if (!name) 565 return -ENOMEM; 566 567 /* We don't know which BAR will be used to communicate.. 568 * We will map every bar with len > 0. 569 * 570 * Later, we will discover the BAR and unmap all other BARs. 571 */ 572 for (i = 0; i < PCI_STD_NUM_BARS; i++) { 573 if (pci_resource_len(pdev, i) == 0) 574 continue; 575 576 io = pcim_iomap_region(pdev, i, name); 577 if (IS_ERR(io)) { 578 SNET_ERR(pdev, "Failed to request and map PCI BARs\n"); 579 return PTR_ERR(io); 580 } 581 582 psnet->bars[i] = io; 583 bars_found++; 584 } 585 586 /* No BAR can be used.. */ 587 if (bars_found == 0) { 588 SNET_ERR(pdev, "Failed to find a PCI BAR\n"); 589 return -ENODEV; 590 } 591 592 return 0; 593 } 594 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki
