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vdpa/mlx5: Fix error return in map_direct_mr()
Fix to return the variable "err" from the error handling case instead
of "ret".
Fixes: 94abbccdf2
("vdpa/mlx5: Add shared memory registration code")
Signed-off-by: Jing Xiangfeng <jingxiangfeng@huawei.com>
Link: https://lore.kernel.org/r/20201026070637.164321-1-jingxiangfeng@huawei.com
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Acked-by: Eli Cohen <elic@nvidia.com>
Cc: stable@vger.kernel.org
Acked-by: Jason Wang <jasowang@redhat.com>
This commit is contained in:
parent
7922460e33
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7ba08e81cb
@ -239,7 +239,6 @@ static int map_direct_mr(struct mlx5_vdpa_dev *mvdev, struct mlx5_vdpa_direct_mr
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u64 paend;
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struct scatterlist *sg;
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struct device *dma = mvdev->mdev->device;
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int ret;
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for (map = vhost_iotlb_itree_first(iotlb, mr->start, mr->end - 1);
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map; map = vhost_iotlb_itree_next(map, start, mr->end - 1)) {
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@ -277,8 +276,8 @@ static int map_direct_mr(struct mlx5_vdpa_dev *mvdev, struct mlx5_vdpa_direct_mr
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done:
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mr->log_size = log_entity_size;
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mr->nsg = nsg;
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ret = dma_map_sg_attrs(dma, mr->sg_head.sgl, mr->nsg, DMA_BIDIRECTIONAL, 0);
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if (!ret)
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err = dma_map_sg_attrs(dma, mr->sg_head.sgl, mr->nsg, DMA_BIDIRECTIONAL, 0);
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if (!err)
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goto err_map;
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err = create_direct_mr(mvdev, mr);
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