[PATCH] fix for ISDN ippp filtering

We do not longer use DLT_LINUX_SLL for activ/pass filters but
DLT_PPP_WITHDIRECTION witch need 1 as outbound flag.

Signed-off-by: Karsten Keil <kkeil@suse.de>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>

diff --git a/drivers/isdn/i4l/isdn_ppp.c b/drivers/isdn/i4l/isdn_ppp.c
index 3c09211..260a323 100644 (file)
--- a/drivers/isdn/i4l/isdn_ppp.c
+++ b/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);
        }