[PATCH] implement dma_mapping_error

From: Jesse Barnes <jbarnes_at_sgi.com>
Date: 2004-03-27 11:00:52
On sn2, dma_mapping_error is trivial.  pci_map_single was already returning 0 
in case of failure (0 is an invalid DMA address on sn2), so make 
dma_mapping_error check for that.

Thanks,
Jesse

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Received on Fri Mar 26 19:02:23 2004

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