[westeri-thunderbolt:next 7/7] drivers/thunderbolt/pci.c:115:24: warning: unused variable 'dev'
kernel test robot <[email protected]> Mon, 27 Jul 2026 18:42:32 +0200
| Newsgroups | dev.linux.lists.oe-kbuild-all,org.kernel.vger.linux-usb |
|---|---|
| Message-ID | <[email protected]> |
tree: https://git.kernel.org/pub/scm/linux/kernel/git/westeri/thunderbolt.git next head: eef9f6d8c36f7610b5f837e196692ec34842a400 commit: eef9f6d8c36f7610b5f837e196692ec34842a400 [7/7] thunderbolt: Remove redundant dev_err_probe() config: x86_64-rhel-9.4-bpf (https://download.01.org/0day-ci/archive/20260727/[email protected]/config) compiler: gcc-14 (Debian 14.2.0-19) 14.2.0 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20260727/[email protected]/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 <[email protected]> | Closes: https://lore.kernel.org/oe-kbuild-all/[email protected]/ All warnings (new ones prefixed by >>): drivers/thunderbolt/pci.c: In function 'nhi_pci_init_msi': >> drivers/thunderbolt/pci.c:115:24: warning: unused variable 'dev' [-Wunused-variable] 115 | struct device *dev = &pdev->dev; | ^~~ vim +/dev +115 drivers/thunderbolt/pci.c e241d98e04ef05 Konrad Dybcio 2026-05-21 110 e241d98e04ef05 Konrad Dybcio 2026-05-21 111 static int nhi_pci_init_msi(struct tb_nhi *nhi) e241d98e04ef05 Konrad Dybcio 2026-05-21 112 { e241d98e04ef05 Konrad Dybcio 2026-05-21 113 struct tb_nhi_pci *nhi_pci = nhi_to_pci(nhi); e241d98e04ef05 Konrad Dybcio 2026-05-21 114 struct pci_dev *pdev = to_pci_dev(nhi->dev); e241d98e04ef05 Konrad Dybcio 2026-05-21 @115 struct device *dev = &pdev->dev; e241d98e04ef05 Konrad Dybcio 2026-05-21 116 int res, irq, nvec; e241d98e04ef05 Konrad Dybcio 2026-05-21 117 e241d98e04ef05 Konrad Dybcio 2026-05-21 118 ida_init(&nhi_pci->msix_ida); e241d98e04ef05 Konrad Dybcio 2026-05-21 119 e241d98e04ef05 Konrad Dybcio 2026-05-21 120 /* e241d98e04ef05 Konrad Dybcio 2026-05-21 121 * The NHI has 16 MSI-X vectors or a single MSI. We first try to e241d98e04ef05 Konrad Dybcio 2026-05-21 122 * get all MSI-X vectors and if we succeed, each ring will have e241d98e04ef05 Konrad Dybcio 2026-05-21 123 * one MSI-X. If for some reason that does not work out, we e241d98e04ef05 Konrad Dybcio 2026-05-21 124 * fallback to a single MSI. e241d98e04ef05 Konrad Dybcio 2026-05-21 125 */ e241d98e04ef05 Konrad Dybcio 2026-05-21 126 nvec = pci_alloc_irq_vectors(pdev, MSIX_MIN_VECS, MSIX_MAX_VECS, e241d98e04ef05 Konrad Dybcio 2026-05-21 127 PCI_IRQ_MSIX); e241d98e04ef05 Konrad Dybcio 2026-05-21 128 if (nvec < 0) { e241d98e04ef05 Konrad Dybcio 2026-05-21 129 nvec = pci_alloc_irq_vectors(pdev, 1, 1, PCI_IRQ_MSI); e241d98e04ef05 Konrad Dybcio 2026-05-21 130 if (nvec < 0) e241d98e04ef05 Konrad Dybcio 2026-05-21 131 return nvec; e241d98e04ef05 Konrad Dybcio 2026-05-21 132 e241d98e04ef05 Konrad Dybcio 2026-05-21 133 INIT_WORK(&nhi->interrupt_work, nhi_interrupt_work); e241d98e04ef05 Konrad Dybcio 2026-05-21 134 e241d98e04ef05 Konrad Dybcio 2026-05-21 135 irq = pci_irq_vector(pdev, 0); e241d98e04ef05 Konrad Dybcio 2026-05-21 136 if (irq < 0) e241d98e04ef05 Konrad Dybcio 2026-05-21 137 return irq; e241d98e04ef05 Konrad Dybcio 2026-05-21 138 e241d98e04ef05 Konrad Dybcio 2026-05-21 139 res = devm_request_irq(&pdev->dev, irq, nhi_msi, e241d98e04ef05 Konrad Dybcio 2026-05-21 140 IRQF_NO_SUSPEND, "thunderbolt", nhi); e241d98e04ef05 Konrad Dybcio 2026-05-21 141 if (res) eef9f6d8c36f76 Pan Chuang 2026-07-16 142 return res; e241d98e04ef05 Konrad Dybcio 2026-05-21 143 } e241d98e04ef05 Konrad Dybcio 2026-05-21 144 e241d98e04ef05 Konrad Dybcio 2026-05-21 145 return 0; e241d98e04ef05 Konrad Dybcio 2026-05-21 146 } e241d98e04ef05 Konrad Dybcio 2026-05-21 147 :::::: The code at line 115 was first introduced by commit :::::: e241d98e04ef0513b78de2d87d8d1eb2993d9d34 thunderbolt: Separate out common NHI bits :::::: TO: Konrad Dybcio <[email protected]> :::::: CC: Mika Westerberg <[email protected]> -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki