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-rw-r--r--sys/dev/mpt/mpt_freebsd.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/sys/dev/mpt/mpt_freebsd.c b/sys/dev/mpt/mpt_freebsd.c
index d02588b6b7756..4b370b9239caa 100644
--- a/sys/dev/mpt/mpt_freebsd.c
+++ b/sys/dev/mpt/mpt_freebsd.c
@@ -512,7 +512,8 @@ mpt_start(union ccb *ccb)
* physical buffer.
*/
struct bus_dma_segment seg;
- seg.ds_addr = (bus_addr_t)csio->data_ptr;
+ seg.ds_addr =
+ (bus_addr_t)(vm_offset_t)csio->data_ptr;
seg.ds_len = csio->dxfer_len;
mpt_execute_req(req, &seg, 1, 0);
}