diff options
| author | Parav Pandit <parav@nvidia.com> | 2021-11-30 07:29:49 +0300 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2021-12-22 11:32:39 +0300 |
| commit | 03b5d9d618a6a64c1794bc0e9674c246f635631a (patch) | |
| tree | cb3fa97f463803c078dfc01f588fe3214b22e030 /drivers/vdpa | |
| parent | 091b84437a82bd3c5260d47612849bf22440232e (diff) | |
| download | linux-03b5d9d618a6a64c1794bc0e9674c246f635631a.tar.xz | |
vdpa: Consider device id larger than 31
[ Upstream commit bb47620be322c5e9e372536cb6b54e17b3a00258 ]
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>
Signed-off-by: Sasha Levin <sashal@kernel.org>
Diffstat (limited to 'drivers/vdpa')
| -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 1dc121a07a93..12bf3d16a40f 100644 --- a/drivers/vdpa/vdpa.c +++ b/drivers/vdpa/vdpa.c @@ -353,7 +353,8 @@ 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++; } |