It is better style to just use the pci_num_vf directly, rather than wrapping it with a local (but globally named) function with the same effect. Signed-off-by: Stephen Hemminger --- a/lib/librte_eal/linuxapp/igb_uio/igb_uio.c 2014-06-19 14:29:57.587687790 -0700 +++ b/lib/librte_eal/linuxapp/igb_uio/igb_uio.c 2014-06-19 14:59:14.000000000 -0700 @@ -83,9 +83,8 @@ igbuio_get_uio_pci_dev(struct uio_info * } /* sriov sysfs */ -int local_pci_num_vf(struct pci_dev *dev) -{ #if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,34) +static int pci_num_vf(struct pci_dev *dev) struct iov { int pos; int nres; @@ -100,17 +99,15 @@ int local_pci_num_vf(struct pci_dev *dev return 0; return iov->nr_virtfn; -#else - return pci_num_vf(dev); -#endif } +#endif static ssize_t show_max_vfs(struct device *dev, struct device_attribute *attr, char *buf) { - return snprintf(buf, 10, "%u\n", local_pci_num_vf( - container_of(dev, struct pci_dev, dev))); + return snprintf(buf, 10, "%u\n", + pci_num_vf(container_of(dev, struct pci_dev, dev))); } static ssize_t @@ -126,7 +123,7 @@ store_max_vfs(struct device *dev, struct if (0 == max_vfs) pci_disable_sriov(pdev); - else if (0 == local_pci_num_vf(pdev)) + else if (0 == pci_num_vf(pdev)) err = pci_enable_sriov(pdev, max_vfs); else /* do nothing if change max_vfs number */ err = -EINVAL;