@@ -544,13 +544,18 @@ static int ixgbe_rcv_msg_from_vf(struct ixgbe_adapter *adapter, u32 vf)
retval = ixgbe_read_mbx(hw, msgbuf, mbx_size, vf);
- if (retval)
+ if (retval) {
pr_err("Error receiving message from VF\n");
+ return retval;
+ }
/* this is a message we already processed, do nothing */
if (msgbuf[0] & (IXGBE_VT_MSGTYPE_ACK | IXGBE_VT_MSGTYPE_NACK))
return retval;
+ /* flush the ack before we write any messages back */
+ IXGBE_WRITE_FLUSH(hw);
+
/*
* until the vf completes a virtual function reset it should not be
* allowed to start any configuration.