dma-coherent: remove an unused variable
Signed-off-by: Christoph Hellwig <hch@lst.de> Reported-by: Stephen Rothwell <sfr@canb.auug.org.au>
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4a75682c
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Signed-off-by: Christoph Hellwig <hch@lst.de> Reported-by: Stephen Rothwell <sfr@canb.auug.org.au>