RDMA/siw: Fix pointer-to-int-cast warning in siw_rx_pbl()

The variable buf_addr is type dma_addr_t, which may not be the same size
as a pointer.  To ensure it is the correct size, cast to a uintptr_t.

Fixes: c536277e0db1 ("RDMA/siw: Fix 64/32bit pointer inconsistency")
Link: https://lore.kernel.org/r/20200610174717.15932-1-tseewald@gmail.com
Signed-off-by: Tom Seewald <tseewald@gmail.com>
Reviewed-by: Bernard Metzler <bmt@zurich.ibm.com>
Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>

diff --git a/drivers/infiniband/sw/siw/siw_qp_rx.c b/drivers/infiniband/sw/siw/siw_qp_rx.c
index 6505202..7271d70 100644 (file)
--- a/drivers/infiniband/sw/siw/siw_qp_rx.c
+++ b/drivers/infiniband/sw/siw/siw_qp_rx.c
@@ -139,7 +139,8 @@ static int siw_rx_pbl(struct siw_rx_stream *srx, int *pbl_idx,
                        break;
 
                bytes = min(bytes, len);
-               if (siw_rx_kva(srx, (void *)buf_addr, bytes) == bytes) {
+               if (siw_rx_kva(srx, (void *)(uintptr_t)buf_addr, bytes) ==
+                   bytes) {
                        copied += bytes;
                        offset += bytes;
                        len -= bytes;