diff --git a/drivers/bus/pci/linux/pci_uio.c b/drivers/bus/pci/linux/pci_uio.c index 65f4896b9f..f240fe4f21 100644 --- a/drivers/bus/pci/linux/pci_uio.c +++ b/drivers/bus/pci/linux/pci_uio.c @@ -315,12 +315,11 @@ pci_uio_map_resource_by_index(struct rte_pci_device *dev, int res_idx, loc->domain, loc->bus, loc->devid, loc->function, res_idx); - if (access(devname, R_OK|W_OK) != -1) { - fd = open(devname, O_RDWR); - if (fd < 0) - RTE_LOG(INFO, EAL, "%s cannot be mapped. " - "Fall-back to non prefetchable mode.\n", - devname); + fd = open(devname, O_RDWR); + if (fd < 0 && errno != ENOENT) { + RTE_LOG(INFO, EAL, "%s cannot be mapped. " + "Fall-back to non prefetchable mode.\n", + devname); } }