linux-kernel - [PATCH 3.4 04/12] PCI: fix truncation of resource size to 32 bits

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Message-Id: <20131118184131.435164886@linuxfoundation.org>
Date:	Mon, 18 Nov 2013 10:41:37 -0800
From:	Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:	linux-kernel@...r.kernel.org
Cc:	Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
	stable@...r.kernel.org, Nikhil P Rao <nikhil.rao@...el.com>,
	Bjorn Helgaas <bhelgaas@...gle.com>,
	Jiri Slaby <jslaby@...e.cz>
Subject: [PATCH 3.4 04/12] PCI: fix truncation of resource size to 32 bits

3.4-stable review patch.  If anyone has any objections, please let me know.

------------------

From: Nikhil P Rao <nikhil.rao@...el.com>

commit d6776e6d5c2f8db0252f447b09736075e1bbe387 upstream.

_pci_assign_resource() took an int "size" argument, which meant that
sizes larger than 4GB were truncated.  Change type to resource_size_t.

[bhelgaas: changelog]
Signed-off-by: Nikhil P Rao <nikhil.rao@...el.com>
Signed-off-by: Bjorn Helgaas <bhelgaas@...gle.com>
Cc: Jiri Slaby <jslaby@...e.cz>
Signed-off-by: Greg Kroah-Hartman <gregkh@...uxfoundation.org>

---
 drivers/pci/setup-res.c |    3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

--- a/drivers/pci/setup-res.c
+++ b/drivers/pci/setup-res.c
@@ -206,7 +206,8 @@ static int pci_revert_fw_address(struct
 	return ret;
 }
 
-static int _pci_assign_resource(struct pci_dev *dev, int resno, int size, resource_size_t min_align)
+static int _pci_assign_resource(struct pci_dev *dev, int resno,
+				resource_size_t size, resource_size_t min_align)
 {
 	struct resource *res = dev->resource + resno;
 	struct pci_bus *bus;


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