From: Florian Westphal fw@strlen.de
commit 63d443efe8be2c1d02b30d7e4edeb9aa085352b3 upstream.
batadv_send_skb_to_orig() calls dev_queue_xmit() so we can't use skb->len.
Fixes: 953324776d6d ("batman-adv: network coding - buffer unicast packets before forward") Signed-off-by: Florian Westphal fw@strlen.de Reviewed-by: Sven Eckelmann sven@narfation.org Signed-off-by: Marek Lindner mareklindner@neomailbox.ch Signed-off-by: Antonio Quartulli a@unstable.cc --- net/batman-adv/routing.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-)
diff --git a/net/batman-adv/routing.c b/net/batman-adv/routing.c index d8a2f33e60e5..de24ab1cf67f 100644 --- a/net/batman-adv/routing.c +++ b/net/batman-adv/routing.c @@ -585,6 +585,7 @@ static int batadv_route_unicast_packet(struct sk_buff *skb, struct batadv_unicast_packet *unicast_packet; struct ethhdr *ethhdr = eth_hdr(skb); int res, hdr_len, ret = NET_RX_DROP; + unsigned int len;
unicast_packet = (struct batadv_unicast_packet *)skb->data;
@@ -625,6 +626,7 @@ static int batadv_route_unicast_packet(struct sk_buff *skb, if (hdr_len > 0) batadv_skb_set_priority(skb, hdr_len);
+ len = skb->len; res = batadv_send_skb_to_orig(skb, orig_node, recv_if);
/* translate transmit result into receive result */ @@ -632,7 +634,7 @@ static int batadv_route_unicast_packet(struct sk_buff *skb, /* skb was transmitted and consumed */ batadv_inc_counter(bat_priv, BATADV_CNT_FORWARD); batadv_add_counter(bat_priv, BATADV_CNT_FORWARD_BYTES, - skb->len + ETH_HLEN); + len + ETH_HLEN);
ret = NET_RX_SUCCESS; } else if (res == NET_XMIT_POLICED) {