diff --git a/[refs] b/[refs]
index 7dcd59a523ba..971ca9e3ff3e 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 3a6fd752a50af92765853879f4a11cc0cfcd0320
+refs/heads/master: d8470b7c13e11c18cf14a7e3180f0b00e715e4f0
diff --git a/trunk/drivers/isdn/i4l/isdn_ppp.c b/trunk/drivers/isdn/i4l/isdn_ppp.c
index 3c092117a8ea..260a323a96d3 100644
--- a/trunk/drivers/isdn/i4l/isdn_ppp.c
+++ b/trunk/drivers/isdn/i4l/isdn_ppp.c
@@ -1151,7 +1151,7 @@ isdn_ppp_push_higher(isdn_net_dev * net_dev, isdn_net_local * lp, struct sk_buff
 	{
 		u_int16_t *p = (u_int16_t *) skb->data;
 
-		*p = 0;	/* indicate inbound in DLT_LINUX_SLL */
+		*p = 0;	/* indicate inbound */
 	}
 
 	if (is->pass_filter
@@ -1293,12 +1293,12 @@ isdn_ppp_xmit(struct sk_buff *skb, struct net_device *netdev)
 	/* check if we should pass this packet
 	 * the filter instructions are constructed assuming
 	 * a four-byte PPP header on each packet */
-	skb_push(skb, 4);
+	*skb_push(skb, 4) = 1; /* indicate outbound */
 
 	{
 		u_int16_t *p = (u_int16_t *) skb->data;
 
-		*p++ = htons(4); /* indicate outbound in DLT_LINUX_SLL */
+		p++;
 		*p   = htons(proto);
 	}
 
@@ -1491,12 +1491,12 @@ int isdn_ppp_autodial_filter(struct sk_buff *skb, isdn_net_local *lp)
 	 * temporarily remove part of the fake header stuck on
 	 * earlier.
 	 */
-	skb_pull(skb, IPPP_MAX_HEADER - 4);
+	*skb_pull(skb, IPPP_MAX_HEADER - 4) = 1; /* indicate outbound */
 
 	{
 		u_int16_t *p = (u_int16_t *) skb->data;
 
-		*p++ = htons(4);	/* indicate outbound in DLT_LINUX_SLL */
+		p++;
 		*p   = htons(proto);
 	}