Commit dc32bb67 authored by Sonny Rao's avatar Sonny Rao Committed by Michael S. Tsirkin
Browse files

vhost: add vsock compat ioctl 



This will allow usage of vsock from 32-bit binaries on a 64-bit
kernel.

Signed-off-by: default avatarSonny Rao <sonnyrao@chromium.org>
Reviewed-by: default avatarStefan Hajnoczi <stefanha@redhat.com>
Signed-off-by: default avatarMichael S. Tsirkin <mst@redhat.com>
parent 26b36604

drivers/vhost/vsock.c

+11 −0
Original line number Diff line number Diff line
@@ -699,12 +699,23 @@ static long vhost_vsock_dev_ioctl(struct file *f, unsigned int ioctl, 
	}

}



#ifdef CONFIG_COMPAT

static long vhost_vsock_dev_compat_ioctl(struct file *f, unsigned int ioctl,

					 unsigned long arg)

{

	return vhost_vsock_dev_ioctl(f, ioctl, (unsigned long)compat_ptr(arg));

}

#endif



static const struct file_operations vhost_vsock_fops = {

	.owner          = THIS_MODULE,

	.open           = vhost_vsock_dev_open,

	.release        = vhost_vsock_dev_release,

	.llseek		= noop_llseek,

	.unlocked_ioctl = vhost_vsock_dev_ioctl,

#ifdef CONFIG_COMPAT

	.compat_ioctl   = vhost_vsock_dev_compat_ioctl,

#endif

};



static struct miscdevice vhost_vsock_misc = {