vdpa/mlx5: fix param validation in mlx5_vdpa_get_config()

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commit dcfde1635e upstream.

It's legal to have 'offset + len' equal to
sizeof(struct virtio_net_config), since 'ndev->config' is a
'struct virtio_net_config', so we can safely copy its content under
this condition.

Fixes: 1a86b377aa ("vdpa/mlx5: Add VDPA driver for supported mlx5 devices")
Cc: stable@vger.kernel.org
Signed-off-by: Stefano Garzarella <sgarzare@redhat.com>
Link: https://lore.kernel.org/r/20210208161741.104939-1-sgarzare@redhat.com
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Acked-by: Jason Wang <jasowang@redhat.com>
Acked-by: Eli Cohen <elic@nvidia.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

...

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Stefano Garzarella 2021-02-08 17:17:41 +01:00 • committed by Greg Kroah-Hartman

parent 070d0094b3

commit 2a7e48dc38

1 changed files with 1 additions and 1 deletions

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drivers/vdpa/mlx5/net/mlx5_vnet.c

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