tree: https://git.kernel.org/pub/scm/linux/kernel/git/helgaas/pci.git pci/enumeration head: b865d8231143ce468e626a04ae01d7cb2f738414 commit: 6ddcfe9b7717d8f0a3a22382eaf27aae00958696 [1/2] PCI: Apply _HPX settings only to relevant devices config: i386-randconfig-x007-201702 (attached as .config) compiler: gcc-6 (Debian 6.2.0-3) 6.2.0 20160901 reproduce: git checkout 6ddcfe9b7717d8f0a3a22382eaf27aae00958696 # save the attached .config to linux build tree make ARCH=i386 Note: it may well be a FALSE warning. FWIW you are at least aware of it now. http://gcc.gnu.org/wiki/Better_Uninitialized_Warnings All warnings (new ones prefixed by >>): drivers/pci/probe.c: In function 'program_hpp_type1': drivers/pci/probe.c:1562:6: warning: 'return' with a value, in function returning void pos = pci_find_capability(dev, PCI_CAP_ID_PCIX); ~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ drivers/pci/probe.c:1555:13: note: declared here static void program_hpp_type1(struct pci_dev *dev, struct hpp_type1 *hpp) ^~~~~~~~~~~~~~~~~ drivers/pci/probe.c: In function 'pci_device_add': >> drivers/pci/probe.c:1563:5: warning: 'pos' may be used uninitialized in this function [-Wmaybe-uninitialized] if (!pos) ^ drivers/pci/probe.c:1557:6: note: 'pos' was declared here int pos; ^~~ vim +/pos +1563 drivers/pci/probe.c 1556 { 1557 int pos; 1558 1559 if (!hpp) 1560 return 1561 > 1562 pos = pci_find_capability(dev, PCI_CAP_ID_PCIX); > 1563 if (!pos) 1564 return; 1565 1566 dev_warn(&dev->dev, "PCI-X settings not supported\n"); --- 0-DAY kernel test infrastructure Open Source Technology Center https://lists.01.org/pipermail/kbuild-all Intel Corporation
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