diff options
| author | Parav Pandit <parav@nvidia.com> | 2021-11-30 06:29:49 +0200 |
|---|---|---|
| committer | Michael S. Tsirkin <mst@redhat.com> | 2021-12-08 15:41:50 -0500 |
| commit | bb47620be322c5e9e372536cb6b54e17b3a00258 (patch) | |
| tree | e34d9b758f0963125a393e671d1312f97f57fadd /drivers/vdpa/vdpa.c | |
| parent | 1db8f5fc2e5c66a5c51e1f6488e0ba7d45c29ae4 (diff) | |
vdpa: Consider device id larger than 31
virtio device id value can be more than 31. Hence, use BIT_ULL in
assignment.
Fixes: 33b347503f01 ("vdpa: Define vdpa mgmt device, ops and a netlink interface")
Reported-by: kernel test robot <lkp@intel.com>
Reported-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Parav Pandit <parav@nvidia.com>
Acked-by: Jason Wang <jasowang@redhat.com>
Link: https://lore.kernel.org/r/20211130042949.88958-1-parav@nvidia.com
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Diffstat (limited to 'drivers/vdpa/vdpa.c')
| -rw-r--r-- | drivers/vdpa/vdpa.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/drivers/vdpa/vdpa.c b/drivers/vdpa/vdpa.c index 7332a74a4b00..09bbe53c3ac4 100644 --- a/drivers/vdpa/vdpa.c +++ b/drivers/vdpa/vdpa.c @@ -404,7 +404,8 @@ static int vdpa_mgmtdev_fill(const struct vdpa_mgmt_dev *mdev, struct sk_buff *m goto msg_err; while (mdev->id_table[i].device) { - supported_classes |= BIT(mdev->id_table[i].device); + if (mdev->id_table[i].device <= 63) + supported_classes |= BIT_ULL(mdev->id_table[i].device); i++; } |