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Commit ccba051c authored by Nathan Lynch's avatar Nathan Lynch Committed by Paul Mackerras
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[POWERPC] Extra sanity check in EEH code 



Don't dereference a device node that isn't there.  A "shouldn't
happen" case, but someone ran into it with a possibly misconfigured
device tree.

Signed-off-by: default avatarNathan Lynch <ntl@pobox.com>
Signed-off-by: default avatarAnton Blanchard <anton@samba.org>
Signed-off-by: default avatarPaul Mackerras <paulus@samba.org>
parent d3c58fb1

arch/powerpc/platforms/pseries/eeh_cache.c

+2 −0
Original line number Diff line number Diff line
@@ -304,6 +304,8 @@ void __init pci_addr_cache_build(void) 
		pci_addr_cache_insert_device(dev);



		dn = pci_device_to_OF_node(dev);

		if (!dn)

			continue;

		pci_dev_get (dev);  /* matching put is in eeh_remove_device() */

		PCI_DN(dn)->pcidev = dev;

	}