[POWERPC] Fix cell IOMMU null pointer explosion on old firmwares

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The cell IOMMU fixed mapping support has a null pointer bug if you run
it on older firmwares that don't contain the "dma-ranges" properties.
Fix it and convert to using of_get_next_parent() while we're there.

Signed-off-by: Michael Ellerman <michael@ellerman.id.au>
Signed-off-by: Paul Mackerras <paulus@samba.org>

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Michael Ellerman 2008-02-08 16:37:02 +11:00 • committed by Paul Mackerras

parent 85687ff2b4

commit ccd05d086f

1 changed files with 7 additions and 8 deletions

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arch/powerpc/platforms/cell/iommu.c

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