dma-mapping: use dma_get_mask in dma_addressing_limited
We currently have cases where the dma_addressing_limited() gets called with dma_mask unset. This causes a NULL pointer dereference. Use dma_get_mask() accessor to prevent the crash. Fixes: b8664554 ("dma-mapping: add a dma_addressing_limited helper") Signed-off-by:Eric Auger <eric.auger@redhat.com> Acked-by:
Michael S. Tsirkin <mst@redhat.com> Signed-off-by:
Christoph Hellwig <hch@lst.de>
parent
7b5cf701
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