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    Subject[PATCH] vhost: Fix warnings and bad type handling
    Date
    Signed-off-by: Alan Cox <alan@linux.intel.com>
    ---

    drivers/vhost/vhost.c | 5 ++++-
    1 files changed, 4 insertions(+), 1 deletions(-)


    diff --git a/drivers/vhost/vhost.c b/drivers/vhost/vhost.c
    index 97233d5..46b20f7 100644
    --- a/drivers/vhost/vhost.c
    +++ b/drivers/vhost/vhost.c
    @@ -334,7 +334,10 @@ static long vhost_set_vring(struct vhost_dev *d, int ioctl, void __user *argp)
    r = -EINVAL;
    break;
    }
    - r = init_used(vq, (struct vring_used __user *)a.used_user_addr);
    + /* For 32bit we will ignore the top 32bits of the user
    + data */
    + r = init_used(vq, (struct vring_used __user *)(unsigned long)
    + a.used_user_addr);
    if (r)
    break;
    vq->log_used = !!(a.flags & (0x1 << VHOST_VRING_F_LOG));


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