Commit e02497fb authored by Konstantin Taranov's avatar Konstantin Taranov Committed by Leon Romanovsky
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RDMA/mana_ib: Fix bug in creation of dma regions 



Use ib_umem_dma_offset() helper to calculate correct dma offset.

Fixes: 0266a177 ("RDMA/mana_ib: Add a driver for Microsoft Azure Network Adapter")
Signed-off-by: default avatarKonstantin Taranov <kotaranov@microsoft.com>
Link: https://lore.kernel.org/r/1709560361-26393-2-git-send-email-kotaranov@linux.microsoft.com


Signed-off-by: default avatarLeon Romanovsky <leon@kernel.org>
parent 124a9fbe

drivers/infiniband/hw/mana/main.c

+1 −1
Original line number Diff line number Diff line
@@ -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;