Differential D40227 Diff 122275 sys/dev/hyperv/vmbus/hyperv_busdma.c

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Show First 20 Lines • Show All 82 Lines • ▼ Show 20 Lines	error = bus_dmamap_load(dma->hv_dtag, dma->hv_dmap, ret, size,
hyperv_dma_map_paddr, &dma->hv_paddr, BUS_DMA_NOWAIT);		hyperv_dma_map_paddr, &dma->hv_paddr, BUS_DMA_NOWAIT);
if (error) {		if (error) {
bus_dmamem_free(dma->hv_dtag, ret, dma->hv_dmap);		bus_dmamem_free(dma->hv_dtag, ret, dma->hv_dmap);
bus_dma_tag_destroy(dma->hv_dtag);		bus_dma_tag_destroy(dma->hv_dtag);
return NULL;		return NULL;
}		}
return ret;		return ret;
}		}

void
hyperv_dmamem_free(struct hyperv_dma dma, void ptr)
{
bus_dmamap_unload(dma->hv_dtag, dma->hv_dmap);
bus_dmamem_free(dma->hv_dtag, ptr, dma->hv_dmap);
bus_dma_tag_destroy(dma->hv_dtag);
}