From 652d1100453a14bcc2b4514af79c701360836085 Mon Sep 17 00:00:00 2001
From: Stefan Assmann <sassmann@kpanic.de>
Date: Wed, 31 Jul 2013 16:47:56 -0600
Subject: [PATCH] PCI: Return -ENOSYS for SR-IOV operations on non-SR-IOV
 devices

Change the return value to -ENOSYS if a device is not an SR-IOV PF.
Previously we returned either -ENODEV or -EINVAL.

Also have pci_sriov_get_totalvfs() return 0 in the error case to make the
behaviour consistent whether CONFIG_PCI_IOV is enabled or not.

Signed-off-by: Stefan Assmann <sassmann@kpanic.de>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
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