lists.openwall.net | lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC | |
Open Source and information security mailing list archives
| ||
|
Date: Fri, 29 May 2015 11:03:18 +0100 From: Shradha Shah <sshah@...arflare.com> To: David Miller <davem@...emloft.net> CC: <netdev@...r.kernel.org>, <linux-net-drivers@...arflare.com> Subject: [PATCH net-next 12/14] sfc: do not allow VFs to be destroyed if assigned to guests From: Daniel Pieczko <dpieczko@...arflare.com> Signed-off-by: Shradha Shah <sshah@...arflare.com> --- drivers/net/ethernet/sfc/ef10_sriov.c | 9 +++++++++ 1 file changed, 9 insertions(+) diff --git a/drivers/net/ethernet/sfc/ef10_sriov.c b/drivers/net/ethernet/sfc/ef10_sriov.c index cd52454..083c534 100644 --- a/drivers/net/ethernet/sfc/ef10_sriov.c +++ b/drivers/net/ethernet/sfc/ef10_sriov.c @@ -417,6 +417,15 @@ static int efx_ef10_pci_sriov_disable(struct efx_nic *efx) { struct pci_dev *dev = efx->pci_dev; + if (!efx->vf_count) + return 0; + + if (pci_vfs_assigned(dev)) { + netif_err(efx, drv, efx->net_dev, "VFs are assigned to guests; " + "please detach them before disabling SR-IOV\n"); + return -EBUSY; + } + pci_disable_sriov(dev); efx_ef10_sriov_free_vf_vswitching(efx); efx->vf_count = 0; -- To unsubscribe from this list: send the line "unsubscribe netdev" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
Powered by blists - more mailing lists