firewire: fix ioctl() return code

Reported by Jay Fenlason:  ioctl() did not return as intended
  - the size of data read into ioctl_send_request,
  - the number of datagrams enqueued by ioctl_queue_iso.

Signed-off-by: Stefan Richter <stefanr@s5r6.in-berlin.de>

diff --git a/drivers/firewire/fw-cdev.c b/drivers/firewire/fw-cdev.c
index cfceb2cba4e49e91c50e62d3175592961a017b07..ed03234cbea89ea2247b9d4d005d7e5d1baf1221 100644 (file)
--- a/drivers/firewire/fw-cdev.c
+++ b/drivers/firewire/fw-cdev.c
@@ -913,7 +913,7 @@ dispatch_ioctl(struct client *client, unsigned int cmd, void __user *arg)
                        return -EFAULT;
        }
 
-       return 0;
+       return retval;
 }
 
 static long