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We need to use post-decrement to get the dma_map_page undone also for i==0, and to avoid some very unpleasant behaviour if dma_map_page failed already at i==0. Signed-off-by: Rasmus Villemoes <linux@rasmusvillemoes.dk> Reviewed-by: Ben Skeggs <bskeggs@redhat.com> Signed-off-by: Dave Airlie <airlied@redhat.com> |
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