1 files changed, 5 insertions, 2 deletions

diff --git a/drivers/ieee1394/raw1394.c b/drivers/ieee1394/raw1394.c
index 7419af450bd1..b4fa14793fe5 100644
--- a/drivers/ieee1394/raw1394.c
+++ b/drivers/ieee1394/raw1394.c
@@ -98,7 +98,7 @@ static struct hpsb_address_ops arm_ops = {
 
 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;
 
@@ -2506,9 +2506,12 @@ static int raw1394_iso_send_packets(struct file_info *fi, void __user * uaddr)
         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 *