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>

diff --git a/drivers/vdpa/vdpa.c b/drivers/vdpa/vdpa.c
index 7332a74a4b00c504014eb1d39b4873017dcab1a3..09bbe53c3ac4ec193717af888f58a0ba1347e636 100644 (file)
--- 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++;
        }