linux-kernel - [PATCH 3.2 21/87] PCI: fix truncation of resource size to 32 bits

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Message-ID: <lsq.1385387069.912023219@decadent.org.uk>
Date:	Mon, 25 Nov 2013 13:44:29 +0000
From:	Ben Hutchings <ben@...adent.org.uk>
To:	linux-kernel@...r.kernel.org, stable@...r.kernel.org
CC:	akpm@...ux-foundation.org, "Bjorn Helgaas" <bhelgaas@...gle.com>,
	"Nikhil P Rao" <nikhil.rao@...el.com>
Subject: [PATCH 3.2 21/87] PCI: fix truncation of resource size to 32 bits

3.2.53-rc1 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>
Signed-off-by: Ben Hutchings <ben@...adent.org.uk>
---
 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
@@ -188,7 +188,8 @@ 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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