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RDMA/mana_ib: Fix bug in creation of dma regions

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BugLink: https://bugs.launchpad.net/bugs/2060097

[ Upstream commit e02497fb654689049ba8b46f098f17d5f19e0b3c ]

Use ib_umem_dma_offset() helper to calculate correct dma offset.

Fixes: 0266a17763 ("RDMA/mana_ib: Add a driver for Microsoft Azure Network Adapter")
Signed-off-by: Konstantin Taranov <kotaranov@microsoft.com>
Link: https://lore.kernel.org/r/1709560361-26393-2-git-send-email-kotaranov@linux.microsoft.com
Signed-off-by: Leon Romanovsky <leon@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
(cherry picked from commit 2e7121552e3c84092e8f039c655224f2ded6abea)
Signed-off-by: Paolo Pisati <paolo.pisati@canonical.com>
This commit is contained in:
Konstantin Taranov
2024-03-04 05:52:40 -08:00
committed by Roxana Nicolescu
parent 9245ce1002
commit ededa58bbb
1 changed files with 1 additions and 1 deletions
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drivers/infiniband/hw/mana/main.c
+1 -1
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@@ -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;