[PATCH] Make sure to of_node_get() the result of pci_device_to_OF_node()

[Michael Ellerman]

pci_device_to_OF_node() returns the device node attached to a PCI device,
but doesn't actually grab a reference - we need to do it ourselves.

Signed-off-by: Michael Ellerman <michael at ellerman.id.au>
---
 arch/powerpc/platforms/cell/axon_msi.c |    4 ++--
 1 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/arch/powerpc/platforms/cell/axon_msi.c b/arch/powerpc/platforms/cell/axon_msi.c
index 57a6149..2b2dfcc 100644
--- a/arch/powerpc/platforms/cell/axon_msi.c
+++ b/arch/powerpc/platforms/cell/axon_msi.c
@@ -119,7 +119,7 @@ static struct axon_msic *find_msi_translator(struct pci_dev *dev)
 	const phandle *ph;
 	struct axon_msic *msic = NULL;
 
-	dn = pci_device_to_OF_node(dev);
+	dn = of_node_get(pci_device_to_OF_node(dev));
 	if (!dn) {
 		dev_dbg(&dev->dev, "axon_msi: no pci_dn found\n");
 		return NULL;
@@ -176,7 +176,7 @@ static int setup_msi_msg_address(struct pci_dev *dev, struct msi_msg *msg)
 	int len;
 	const u32 *prop;
 
-	dn = pci_device_to_OF_node(dev);
+	dn = of_node_get(pci_device_to_OF_node(dev));
 	if (!dn) {
 		dev_dbg(&dev->dev, "axon_msi: no pci_dn found\n");
 		return -ENODEV;
-- 
1.5.1.3.g7a33b