Commit be286f84 authored by Eli Cohen's avatar Eli Cohen Committed by Michael S. Tsirkin
Browse files

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



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

Fixes: 94abbccd ("vdpa/mlx5: Add shared memory registration code")
Signed-off-by: default avatarEli Cohen <elic@nvidia.com>
Reported-by: default avatarkernel test robot <lkp@intel.com>
Reported-by: default avatarDan Carpenter <dan.carpenter@oracle.com>
Link: https://lore.kernel.org/r/20210411083646.910546-1-elic@nvidia.com


Signed-off-by: default avatarMichael S. Tsirkin <mst@redhat.com>
Acked-by: default avatarJason Wang <jasowang@redhat.com>
Reviewed-by: default avatarStefano Garzarella <sgarzare@redhat.com>
parent a9d06452

drivers/vdpa/mlx5/core/mr.c

+3 −1
Original line number Diff line number Diff line
@@ -278,8 +278,10 @@ static int map_direct_mr(struct mlx5_vdpa_dev *mvdev, struct mlx5_vdpa_direct_mr 
	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)