diff --git a/include/net/irda/irda_device.h b/include/net/irda/irda_device.h
index 3025ae17ddbeb46207ca71e88b3d31d6aaad44a8..94c852d47d0f8d5c7d033279bf2f67ca3fd861dd 100644
--- a/include/net/irda/irda_device.h
+++ b/include/net/irda/irda_device.h
@@ -135,9 +135,11 @@ struct dongle_reg {
 
 /* 
  * Per-packet information we need to hide inside sk_buff 
- * (must not exceed 48 bytes, check with struct sk_buff) 
+ * (must not exceed 48 bytes, check with struct sk_buff)
+ * The default_qdisc_pad field is a temporary hack.
  */
 struct irda_skb_cb {
+	unsigned int default_qdisc_pad;
 	magic_t magic;       /* Be sure that we can trust the information */
 	__u32   next_speed;  /* The Speed to be set *after* this frame */
 	__u16   mtt;         /* Minimum turn around time */