Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
os
linux
RDMA/mlx5: Avoid direct access to DMA device pointer
The dma_device field is marked as internal and must not be accessed by
drivers or ULPs. Remove all direct mlx5 references to this field.
Link: https://patch.msgid.link/20260104-ib-core-misc-v1-4-00367f77f3a8@nvidia.com
Reviewed-by: Kalesh AP <kalesh-anakkur.purayil@broadcom.com>
Signed-off-by: Leon Romanovsky <leonro@nvidia.com>
authored by
Leon Romanovsky
and committed by
Leon Romanovsky
522a5c1c
6dc78c53
+6
-5
+6
-5
drivers/infiniband/hw/mlx5/mr.c
+6
-5
drivers/infiniband/hw/mlx5/mr.c
···
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offset, length, fd,
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access_flags,
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&mlx5_ib_dmabuf_attach_ops);
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-
else
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+
else if (dma_device)
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umem_dmabuf = ib_umem_dmabuf_get_pinned_with_dma_device(&dev->ib_dev,
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dma_device, offset, length,
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fd, access_flags);
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+
else
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+
umem_dmabuf = ib_umem_dmabuf_get_pinned(
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+
&dev->ib_dev, offset, length, fd, access_flags);
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if (IS_ERR(umem_dmabuf)) {
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mlx5_ib_dbg(dev, "umem_dmabuf get failed (%pe)\n", umem_dmabuf);
···
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return reg_user_mr_dmabuf_by_data_direct(pd, offset, length, virt_addr,
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fd, access_flags);
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-
return reg_user_mr_dmabuf(pd, pd->device->dma_device,
1789
-
offset, length, virt_addr,
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-
fd, access_flags, MLX5_MKC_ACCESS_MODE_MTT,
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-
dmah);
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+
return reg_user_mr_dmabuf(pd, NULL, offset, length, virt_addr, fd,
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+
access_flags, MLX5_MKC_ACCESS_MODE_MTT, dmah);
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}
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/*