Messages in this thread Patch in this message | | | From | Shunsuke Mie <> | Subject | [RFC PATCH 1/3] RDMA/umem: Change for rdma devices has not dma device | Date | Wed, 8 Sep 2021 15:16:09 +0900 |
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To share memory space using dma-buf, a API of the dma-buf requires dma device, but devices such as rxe do not have a dma device. For those case, change to specify a device of struct ib instead of the dma device.
Signed-off-by: Shunsuke Mie <mie@igel.co.jp> --- drivers/infiniband/core/umem_dmabuf.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/infiniband/core/umem_dmabuf.c b/drivers/infiniband/core/umem_dmabuf.c index c6e875619fac..58d6ac9cb51a 100644 --- a/drivers/infiniband/core/umem_dmabuf.c +++ b/drivers/infiniband/core/umem_dmabuf.c @@ -146,7 +146,7 @@ struct ib_umem_dmabuf *ib_umem_dmabuf_get(struct ib_device *device, umem_dmabuf->attach = dma_buf_dynamic_attach( dmabuf, - device->dma_device, + device->dma_device ? device->dma_device : &device->dev, ops, umem_dmabuf); if (IS_ERR(umem_dmabuf->attach)) { -- 2.17.1
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