X-Git-Url: http://git.rot13.org/?a=blobdiff_plain;f=net%2Fax25%2Fax25_in.c;h=3b7d1720c2eee2c3d652526f74f92094bb4634b4;hb=4c5cdb1e1f2a502069f57a60b5c6b97b8106c73c;hp=4a6b26becadc67fb3cd6da9ca307d1708526a228;hpb=6f8c480f998a619082f18407f8d7f4c29e94dc6e;p=powerpc.git diff --git a/net/ax25/ax25_in.c b/net/ax25/ax25_in.c index 4a6b26beca..3b7d1720c2 100644 --- a/net/ax25/ax25_in.c +++ b/net/ax25/ax25_in.c @@ -61,12 +61,14 @@ static int ax25_rx_fragment(ax25_cb *ax25, struct sk_buff *skb) skb_reserve(skbn, AX25_MAX_HEADER_LEN); skbn->dev = ax25->ax25_dev->dev; - skbn->h.raw = skbn->data; - skbn->nh.raw = skbn->data; + skb_reset_network_header(skbn); + skb_reset_transport_header(skbn); /* Copy data from the fragments */ while ((skbo = skb_dequeue(&ax25->frag_queue)) != NULL) { - memcpy(skb_put(skbn, skbo->len), skbo->data, skbo->len); + skb_copy_from_linear_data(skbo, + skb_put(skbn, skbo->len), + skbo->len); kfree_skb(skbo); } @@ -122,8 +124,8 @@ int ax25_rx_iframe(ax25_cb *ax25, struct sk_buff *skb) } skb_pull(skb, 1); /* Remove PID */ - skb->mac.raw = skb->nh.raw; - skb->nh.raw = skb->data; + skb_reset_mac_header(skb); + skb_reset_network_header(skb); skb->dev = ax25->ax25_dev->dev; skb->pkt_type = PACKET_HOST; skb->protocol = htons(ETH_P_IP); @@ -196,7 +198,7 @@ static int ax25_rcv(struct sk_buff *skb, struct net_device *dev, * Process the AX.25/LAPB frame. */ - skb->h.raw = skb->data; + skb_reset_transport_header(skb); if ((ax25_dev = ax25_dev_ax25dev(dev)) == NULL) { kfree_skb(skb); @@ -233,7 +235,7 @@ static int ax25_rcv(struct sk_buff *skb, struct net_device *dev, /* UI frame - bypass LAPB processing */ if ((*skb->data & ~0x10) == AX25_UI && dp.lastrepeat + 1 == dp.ndigi) { - skb->h.raw = skb->data + 2; /* skip control and pid */ + skb_set_transport_header(skb, 2); /* skip control and pid */ ax25_send_to_raw(&dest, skb, skb->data[1]); @@ -246,8 +248,8 @@ static int ax25_rcv(struct sk_buff *skb, struct net_device *dev, switch (skb->data[1]) { case AX25_P_IP: skb_pull(skb,2); /* drop PID/CTRL */ - skb->h.raw = skb->data; - skb->nh.raw = skb->data; + skb_reset_transport_header(skb); + skb_reset_network_header(skb); skb->dev = dev; skb->pkt_type = PACKET_HOST; skb->protocol = htons(ETH_P_IP); @@ -256,8 +258,8 @@ static int ax25_rcv(struct sk_buff *skb, struct net_device *dev, case AX25_P_ARP: skb_pull(skb,2); - skb->h.raw = skb->data; - skb->nh.raw = skb->data; + skb_reset_transport_header(skb); + skb_reset_network_header(skb); skb->dev = dev; skb->pkt_type = PACKET_HOST; skb->protocol = htons(ETH_P_ARP); @@ -449,6 +451,11 @@ int ax25_kiss_rcv(struct sk_buff *skb, struct net_device *dev, skb->sk = NULL; /* Initially we don't know who it's for */ skb->destructor = NULL; /* Who initializes this, dammit?! */ + if (dev->nd_net != &init_net) { + kfree_skb(skb); + return 0; + } + if ((*skb->data & 0x0F) != 0) { kfree_skb(skb); /* Not a KISS data frame */ return 0;