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vdpa/mlx5: Set err = -ENOMEM in case dma_map_sg_attrs fails

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[ Upstream commit be286f84e33da1a7f83142b64dbd86f600e73363 ]

Set err = -ENOMEM if dma_map_sg_attrs() fails so the function reutrns
error.

Fixes: 94abbccdf291 ("vdpa/mlx5: Add shared memory registration code")
Signed-off-by: Eli Cohen <elic@nvidia.com>
Reported-by: kernel test robot <lkp@intel.com>
Reported-by: Dan Carpenter <dan.carpenter@oracle.com>
Link: https://lore.kernel.org/r/20210411083646.910546-1-elic@nvidia.com
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Acked-by: Jason Wang <jasowang@redhat.com>
Reviewed-by: Stefano Garzarella <sgarzare@redhat.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
Eli Cohen 2021-04-11 11:36:46 +03:00 committed by Greg Kroah-Hartman
parent bf84ef2dd2
commit a8cd07e440
1 changed files with 3 additions and 1 deletions
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4
drivers/vdpa/mlx5/core/mr.c
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@ -273,8 +273,10 @@ done:
mr->log_size = log_entity_size;
mr->nsg = nsg;
mr->nent = dma_map_sg_attrs(dma, mr->sg_head.sgl, mr->nsg, DMA_BIDIRECTIONAL, 0);
if (!mr->nent)
if (!mr->nent) {
err = -ENOMEM;
goto err_map;
}
err = create_direct_mr(mvdev, mr);
if (err)