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-rw-r--r--arch/powerpc/kernel/of_platform.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/arch/powerpc/kernel/of_platform.c b/arch/powerpc/kernel/of_platform.c
index fb698d47082..e79ad8afda0 100644
--- a/arch/powerpc/kernel/of_platform.c
+++ b/arch/powerpc/kernel/of_platform.c
@@ -275,6 +275,8 @@ static int __devinit of_pci_phb_probe(struct of_device *dev,
/* Scan the bus */
scan_phb(phb);
+ if (phb->bus == NULL)
+ return -ENXIO;
/* Claim resources. This might need some rework as well depending
* wether we are doing probe-only or not, like assigning unassigned