[PATCH 5.7 115/265] RDMA/siw: Fix pointer-to-int-cast warning in siw_rx_pbl()

Sasha Levin
2020-06-29T18:36:02Z

From: Tom Seewald <tseewald@gmail.com>

[ Upstream commit 6769b275a313c76ddcd7d94c632032326db5f759 ]

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>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
drivers/infiniband/sw/siw/siw_qp_rx.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/drivers/infiniband/sw/siw/siw_qp_rx.c b/drivers/infiniband/sw/siw/siw_qp_rx.c
index 650520244ed0c..7271d705f4b06 100644
--- 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;
--
2.25.1