From: Jingoo Han <jingoohan1@gmail.com>
Date: Wed, 17 Jun 2015 15:12:27 +0000 (+0900)
Subject: of/address: use atomic allocation in pci_register_io_range()
X-Git-Tag: omap-for-v4.2/fixes-rc1^2~48^2~2^2~2
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=294240ffe784e951dc2ef070da04fa31ef6db3a0;p=pandora-kernel.git

of/address: use atomic allocation in pci_register_io_range()

When kzalloc() is called under spin_lock(), GFP_ATOMIC should be
used to avoid sleeping allocation.
The call tree is:
  of_pci_range_to_resource()
    --> pci_register_io_range() <-- takes spin_lock(&io_range_lock);
       --> kzalloc()

Signed-off-by: Jingoo Han <jingoohan1@gmail.com>
Cc: stable@vger.kernel.org # 3.18+
Signed-off-by: Rob Herring <robh@kernel.org>
---

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