3014 Intel X540 Support (fix lint)

@@ -427,12 +427,16 @@
         ret_val = ixgbe_obtain_mbx_lock_vf(hw);
         if (ret_val)
                 goto out_no_write;
 
         /* flush msg and acks as we are overwriting the message buffer */
-        ixgbe_check_for_msg_vf(hw, 0);
-        ixgbe_check_for_ack_vf(hw, 0);
+        ret_val = ixgbe_check_for_msg_vf(hw, 0);
+        if (ret_val)
+                goto out_no_write;
+        ret_val = ixgbe_check_for_ack_vf(hw, 0);
+        if (ret_val)
+                goto out_no_write;
 
         /* copy the caller specified message to the mailbox memory buffer */
         for (i = 0; i < size; i++)
                 IXGBE_WRITE_REG_ARRAY(hw, IXGBE_VFMBMEM, i, msg[i]);
 

@@ -658,12 +662,16 @@
         ret_val = ixgbe_obtain_mbx_lock_pf(hw, vf_number);
         if (ret_val)
                 goto out_no_write;
 
         /* flush msg and acks as we are overwriting the message buffer */
-        ixgbe_check_for_msg_pf(hw, vf_number);
-        ixgbe_check_for_ack_pf(hw, vf_number);
+        ret_val = ixgbe_check_for_msg_vf(hw, 0);
+        if (ret_val)
+                goto out_no_write;
+        ret_val = ixgbe_check_for_ack_vf(hw, 0);
+        if (ret_val)
+                goto out_no_write;
 
         /* copy the caller specified message to the mailbox memory buffer */
         for (i = 0; i < size; i++)
                 IXGBE_WRITE_REG_ARRAY(hw, IXGBE_PFMBMEM(vf_number), i, msg[i]);