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authorEli Cohen <elic@nvidia.com>2021-04-11 11:36:46 +0300
committerMichael S. Tsirkin <mst@redhat.com>2021-04-23 01:15:31 +0300
commitbe286f84e33da1a7f83142b64dbd86f600e73363 (patch)
tree793255f786e93b1842148ae2ec61de58a0a018d7 /drivers/vdpa
parenta9d064524fc3cf463b3bb14fa63de78aafb40dab (diff)
downloadlinux-be286f84e33da1a7f83142b64dbd86f600e73363.tar.xz
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: 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>
Diffstat (limited to 'drivers/vdpa')
-rw-r--r--drivers/vdpa/mlx5/core/mr.c4
1 files changed, 3 insertions, 1 deletions
diff --git a/drivers/vdpa/mlx5/core/mr.c b/drivers/vdpa/mlx5/core/mr.c
index 3908ff28eec0..800cfd1967ad 100644
--- a/drivers/vdpa/mlx5/core/mr.c
+++ b/drivers/vdpa/mlx5/core/mr.c
@@ -278,8 +278,10 @@ 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)