[PATCH 06/16] Use of_get_next_child() in pci_dma_bus_setup_pSeries()

[Michael Ellerman]

pci_dma_bus_setup_pSeries() should use of_get_next_child() to safely
iterate through the nodes children.

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

diff --git a/arch/powerpc/platforms/pseries/iommu.c b/arch/powerpc/platforms/pseries/iommu.c
index ef1aa8d..1a9e14f 100644
--- a/arch/powerpc/platforms/pseries/iommu.c
+++ b/arch/powerpc/platforms/pseries/iommu.c
@@ -343,7 +343,7 @@ static void pci_dma_bus_setup_pSeries(struct pci_bus *bus)
 	of_node_put(isa_dn);
 
 	/* Count number of direct PCI children of the PHB. */
-	for (children = 0, tmp = dn->child; tmp; tmp = tmp->sibling)
+	for (children = 0, tmp = NULL; (tmp = of_get_next_child(dn, tmp));)
 		children++;
 
 	DBG("Children: %d\n", children);
-- 
1.5.2.rc1.1884.g59b20