1 files changed, 2 insertions, 1 deletions

diff --git a/sound/oss/dmabuf.c b/sound/oss/dmabuf.c
index bcc3e8e07122..a59c88818f48 100644
--- a/sound/oss/dmabuf.c
+++ b/sound/oss/dmabuf.c
@@ -114,7 +114,7 @@ static int sound_alloc_dmap(struct dma_buffparms *dmap)
                 }
         }
         dmap->raw_buf = start_addr;
-        dmap->raw_buf_phys = virt_to_bus(start_addr);
+        dmap->raw_buf_phys = dma_map_single(NULL, start_addr, dmap->buffsize, DMA_BIDIRECTIONAL);
 
         for (page = virt_to_page(start_addr); page <= virt_to_page(end_addr); page++)
                 SetPageReserved(page);
@@ -139,6 +139,7 @@ static void sound_free_dmap(struct dma_buffparms *dmap)
         for (page = virt_to_page(start_addr); page <= virt_to_page(end_addr); page++)
                 ClearPageReserved(page);
 
+        dma_unmap_single(NULL, dmap->raw_buf_phys, dmap->buffsize, DMA_BIDIRECTIONAL);
         free_pages((unsigned long) dmap->raw_buf, sz);
         dmap->raw_buf = NULL;
 }