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| author | Eli Cohen <elic@nvidia.com> | 2022-01-05 13:46:36 +0200 |
|---|---|---|
| committer | Michael S. Tsirkin <mst@redhat.com> | 2022-01-14 18:50:53 -0500 |
| commit | 30ef7a8ac8a07046b9ac9206d3a732a9f76b2e60 (patch) | |
| tree | d352b3baea263b80673b06e56344aac1c6d9dfda /drivers/virtio | |
| parent | 73bc0dbb591baea322a7319c735e5f6c7dba9cfb (diff) | |
| download | linux-30ef7a8ac8a07046b9ac9206d3a732a9f76b2e60.tar.gz | |
vdpa: Read device configuration only if FEATURES_OK
Avoid reading device configuration during feature negotiation. Read
device status and verify that VIRTIO_CONFIG_S_FEATURES_OK is set.
Protect the entire operation, including configuration read with cf_mutex
to ensure integrity of the results.
Signed-off-by: Eli Cohen <elic@nvidia.com>
Link: https://lore.kernel.org/r/20220105114646.577224-5-elic@nvidia.com
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Acked-by: Jason Wang <jasowang@redhat.com>
Diffstat (limited to 'drivers/virtio')
0 files changed, 0 insertions, 0 deletions