From: Konstantin Taranov <kotaranov@xxxxxxxxxxxxx>
[ Upstream commit e02497fb654689049ba8b46f098f17d5f19e0b3c ]
Use ib_umem_dma_offset() helper to calculate correct dma offset.
Fixes: 0266a177631d ("RDMA/mana_ib: Add a driver for Microsoft Azure Network Adapter")
Signed-off-by: Konstantin Taranov <kotaranov@xxxxxxxxxxxxx>
Link: https://lore.kernel.org/r/1709560361-26393-2-git-send-email-kotaranov@xxxxxxxxxxxxxxxxxxx
Signed-off-by: Leon Romanovsky <leon@xxxxxxxxxx>
Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>
---
drivers/infiniband/hw/mana/main.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/infiniband/hw/mana/main.c b/drivers/infiniband/hw/mana/main.c
index 7be4c3adb4e2b..ab91009aea883 100644
--- a/drivers/infiniband/hw/mana/main.c
+++ b/drivers/infiniband/hw/mana/main.c
@@ -358,7 +358,7 @@ int mana_ib_gd_create_dma_region(struct mana_ib_dev *dev, struct ib_umem *umem,
sizeof(struct gdma_create_dma_region_resp));
create_req->length = umem->length;
- create_req->offset_in_page = umem->address & (page_sz - 1);
+ create_req->offset_in_page = ib_umem_dma_offset(umem, page_sz);
create_req->gdma_page_type = order_base_2(page_sz) - PAGE_SHIFT;
create_req->page_count = num_pages_total;
--
2.43.0
