diff options
Diffstat (limited to 'drivers/pci/iov.c')
| -rw-r--r-- | drivers/pci/iov.c | 39 |
1 files changed, 25 insertions, 14 deletions
diff --git a/drivers/pci/iov.c b/drivers/pci/iov.c index 4d1f392b05f9..b37e08c4f9d1 100644 --- a/drivers/pci/iov.c +++ b/drivers/pci/iov.c @@ -133,12 +133,35 @@ static void pci_read_vf_config_common(struct pci_dev *virtfn) &physfn->sriov->subsystem_device); } +int pci_iov_sysfs_link(struct pci_dev *dev, + struct pci_dev *virtfn, int id) +{ + char buf[VIRTFN_ID_LEN]; + int rc; + + sprintf(buf, "virtfn%u", id); + rc = sysfs_create_link(&dev->dev.kobj, &virtfn->dev.kobj, buf); + if (rc) + goto failed; + rc = sysfs_create_link(&virtfn->dev.kobj, &dev->dev.kobj, "physfn"); + if (rc) + goto failed1; + + kobject_uevent(&virtfn->dev.kobj, KOBJ_CHANGE); + + return 0; + +failed1: + sysfs_remove_link(&dev->dev.kobj, buf); +failed: + return rc; +} + int pci_iov_add_virtfn(struct pci_dev *dev, int id) { int i; int rc = -ENOMEM; u64 size; - char buf[VIRTFN_ID_LEN]; struct pci_dev *virtfn; struct resource *res; struct pci_sriov *iov = dev->sriov; @@ -182,23 +205,14 @@ int pci_iov_add_virtfn(struct pci_dev *dev, int id) } pci_device_add(virtfn, virtfn->bus); - - sprintf(buf, "virtfn%u", id); - rc = sysfs_create_link(&dev->dev.kobj, &virtfn->dev.kobj, buf); + rc = pci_iov_sysfs_link(dev, virtfn, id); if (rc) goto failed1; - rc = sysfs_create_link(&virtfn->dev.kobj, &dev->dev.kobj, "physfn"); - if (rc) - goto failed2; - - kobject_uevent(&virtfn->dev.kobj, KOBJ_CHANGE); pci_bus_add_device(virtfn); return 0; -failed2: - sysfs_remove_link(&dev->dev.kobj, buf); failed1: pci_stop_and_remove_bus_device(virtfn); pci_dev_put(dev); @@ -557,9 +571,6 @@ static void sriov_del_vfs(struct pci_dev *dev) struct pci_sriov *iov = dev->sriov; int i; - if (dev->no_vf_scan) - return; - for (i = 0; i < iov->num_VFs; i++) pci_iov_remove_virtfn(dev, i); } |