[PATCH] NULL dn->type deref in EEH code (IPR driver)

[Nathan Lynch]

linas at austin.ibm.com wrote:
> The IPR driver appearently has NULL for struct device_node *dn->type
> where dn was returned by pci_device_to_OF_node(dev);  I don't know
> if its 'normal' to have a NULL here or not.  Brian King reported
> a crash here in his IPR driver, and this patch works around that.

If a device_node has a "device_type" property, the dn's 'type' field
points to that property's value.  Some device nodes do not have the
property, so the type field is NULL.  So I think the patch is correct.

Nathan

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