From: Konstantin Taranov Date: Mon, 4 Mar 2024 13:52:40 +0000 (-0800) Subject: RDMA/mana_ib: Fix bug in creation of dma regions X-Git-Url: https://www.infradead.org/git/?a=commitdiff_plain;h=e02497fb654689049ba8b46f098f17d5f19e0b3c;p=users%2Fjedix%2Flinux-maple.git 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 --- 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;