Andi Kleen
1f07e98829
Prevent IDE boot ops on NUMA system
...
Without this patch a Opteron test system here oopses at boot with
current git.
Calling to_pci_dev() on a NULL pointer gives a negative value so the
following NULL pointer check never triggers and then an illegal address
is referenced. Check the unadjusted original device pointer for NULL
instead.
Signed-off-by: Andi Kleen <ak@suse.de >
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org >
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