static void queue_complete_cb(struct pending_request *req);
-static struct pending_request *__alloc_pending_request(int flags)
+static struct pending_request *__alloc_pending_request(unsigned int __nocast flags)
{
struct pending_request *req;
if (copy_from_user(&upackets, uaddr, sizeof(upackets)))
return -EFAULT;
- if (upackets.n_packets > hpsb_iso_n_ready(fi->iso_handle))
+ if (upackets.n_packets >= fi->iso_handle->buf_packets)
return -EINVAL;
+ if (upackets.n_packets >= hpsb_iso_n_ready(fi->iso_handle))
+ return -EAGAIN;
+
/* ensure user-supplied buffer is accessible and big enough */
if (!access_ok(VERIFY_READ, upackets.infos,
upackets.n_packets *