From e02497fb654689049ba8b46f098f17d5f19e0b3c Mon Sep 17 00:00:00 2001 From: Konstantin Taranov Date: Mon, 4 Mar 2024 05:52:40 -0800 Subject: RDMA/mana_ib: Fix bug in creation of dma regions 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 Link: https://lore.kernel.org/r/1709560361-26393-2-git-send-email-kotaranov@linux.microsoft.com Signed-off-by: Leon Romanovsky --- drivers/infiniband/hw/mana/main.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'drivers/infiniband/hw') diff --git a/drivers/infiniband/hw/mana/main.c b/drivers/infiniband/hw/mana/main.c index 29dd2438d4fe..dd570832d61e 100644 --- a/drivers/infiniband/hw/mana/main.c +++ b/drivers/infiniband/hw/mana/main.c @@ -348,7 +348,7 @@ 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; -- cgit v1.2.3