From: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
From: Christoph Hellwig <hch@xxxxxx>
commit b116c702791a9834e6485f67ca6267d9fdf59b87 upstream.
RDMA ULPs must not call DMA mapping APIs directly but instead use the
ib_dma_* wrappers.
Fixes: 0c16d9635e3a ("RDMA/umem: Move to allocate SG table from pages")
Link: https://lore.kernel.org/r/20201106181941.1878556-3-hch@xxxxxx
Reported-by: Jason Gunthorpe <jgg@xxxxxxxxxx>
Signed-off-by: Christoph Hellwig <hch@xxxxxx>
Signed-off-by: Jason Gunthorpe <jgg@xxxxxxxxxx>
Cc: "Marciniszyn, Mike" <mike.marciniszyn@xxxxxxxxxxxxxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
drivers/infiniband/core/umem.c | 8 ++++----
1 file changed, 4 insertions(+), 4 deletions(-)
--- a/drivers/infiniband/core/umem.c
+++ b/drivers/infiniband/core/umem.c
@@ -220,10 +220,10 @@ struct ib_umem *ib_umem_get(struct ib_de
cur_base += ret * PAGE_SIZE;
npages -= ret;
- sg = __sg_alloc_table_from_pages(
- &umem->sg_head, page_list, ret, 0, ret << PAGE_SHIFT,
- dma_get_max_seg_size(device->dma_device), sg, npages,
- GFP_KERNEL);
+ sg = __sg_alloc_table_from_pages(&umem->sg_head, page_list, ret,
+ 0, ret << PAGE_SHIFT,
+ ib_dma_max_seg_size(device), sg, npages,
+ GFP_KERNEL);
umem->sg_nents = umem->sg_head.nents;
if (IS_ERR(sg)) {
unpin_user_pages_dirty_lock(page_list, ret, 0);
