From 1406276c1254d761da7c16b30aa32e3af2b3612a Mon Sep 17 00:00:00 2001
From: Jan Beulich <JBeulich@suse.com>
Date: Mon, 14 Apr 2014 14:59:50 -0600
Subject: [PATCH] PCI/MSI: Simplify populate_msi_sysfs()

Simplify populate_msi_sysfs() by

  - Swapping the order of the two allocations and storing the
    msi_dev_attr-derived pointer right after allocation, allowing the
    cleanup code to pick things up without extra effort.

  - Using kasprintf() instead of the kmalloc()/sprintf() pair.

Signed-off-by: Jan Beulich <jbeulich@suse.com>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Acked-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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