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Dan Carpenter authored
We shouldn't dereference "iommu" until after we have checked that it is non-NULL. Fixes: f08978b0 ("sparc64: Enable sun4v dma ops to use IOMMU v2 APIs") Signed-off-by:
Dan Carpenter <dan.carpenter@oracle.com> Signed-off-by:
David S. Miller <davem@davemloft.net>
efca4885