[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
--- a/drivers/isdn/i4l/isdn_ppp.c
+++ b/drivers/isdn/i4l/isdn_ppp.c
@@ -1151,7 +1151,7 @@
{
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 @@
/* 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 @@
* 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);
}