From 8ec5db6b20c860ddd1311c794b38c98ce86ac7ae Mon Sep 17 00:00:00 2001
From: Alexander Gordeev <agordeev@redhat.com>
Date: Mon, 16 Dec 2013 09:34:57 +0100
Subject: [PATCH] PCI/MSI: Return -ENOSYS for unimplemented interfaces, not -1

Suggested-by: Ben Hutchings <bhutchings@solarflare.com>
Signed-off-by: Alexander Gordeev <agordeev@redhat.com>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Reviewed-by: Tejun Heo <tj@kernel.org>
---
Reading git-format-patch failed