Commit 206daaf7 authored by Stephen Hemminger's avatar Stephen Hemminger Committed by David S. Miller
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[NETPOLL]: initialize skb for UDP 



Need to fully initialize skb to keep lower layers and queueing happy.

Signed-off-by: default avatarStephen Hemminger <shemminger@osdl.org>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent 6723ab54

net/core/netpoll.c

+4 −4
Original line number Diff line number Diff line
@@ -335,13 +335,13 @@ void netpoll_send_udp(struct netpoll *np, const char *msg, int len) 
	memcpy(skb->data, msg, len);

	skb->len += len;



	udph = (struct udphdr *) skb_push(skb, sizeof(*udph));

	skb->h.uh = udph = (struct udphdr *) skb_push(skb, sizeof(*udph));

	udph->source = htons(np->local_port);

	udph->dest = htons(np->remote_port);

	udph->len = htons(udp_len);

	udph->check = 0;



	iph = (struct iphdr *)skb_push(skb, sizeof(*iph));

	skb->nh.iph = iph = (struct iphdr *)skb_push(skb, sizeof(*iph));



	/* iph->version = 4; iph->ihl = 5; */

	put_unaligned(0x45, (unsigned char *)iph);
@@ -357,8 +357,8 @@ void netpoll_send_udp(struct netpoll *np, const char *msg, int len) 
	iph->check    = ip_fast_csum((unsigned char *)iph, iph->ihl);



	eth = (struct ethhdr *) skb_push(skb, ETH_HLEN);



	eth->h_proto = htons(ETH_P_IP);

	skb->mac.raw = skb->data;

	skb->protocol = eth->h_proto = htons(ETH_P_IP);

	memcpy(eth->h_source, np->local_mac, 6);

	memcpy(eth->h_dest, np->remote_mac, 6);