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batman-adv: Consume skb in batadv_send_skb_to_orig

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Sending functions in Linux consume the supplied skbuff. Doing the same in
batadv_send_skb_to_orig avoids the hack of returning -1 (-EPERM) to signal
the caller that he is responsible for cleaning up the skb.

Signed-off-by: Sven Eckelmann <sven@narfation.org>
Signed-off-by: Simon Wunderlich <sw@simonwunderlich.de>
This commit is contained in:
Sven Eckelmann
2016-07-17 21:04:03 +02:00
committed by Simon Wunderlich
parent 8def0be82d
commit 1ad5bcb2a0
4 changed files with 25 additions and 36 deletions
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6
net/batman-adv/tp_meter.c
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@@ -615,9 +615,6 @@ static int batadv_tp_send_msg(struct batadv_tp_vars *tp_vars, const u8 *src,
batadv_tp_fill_prerandom(tp_vars, data, data_len);
r = batadv_send_skb_to_orig(skb, orig_node, NULL);
if (r == -1)
kfree_skb(skb);
if (r == NET_XMIT_SUCCESS)
return 0;
@@ -1206,9 +1203,6 @@ static int batadv_tp_send_ack(struct batadv_priv *bat_priv, const u8 *dst,
/* send the ack */
r = batadv_send_skb_to_orig(skb, orig_node, NULL);
if (r == -1)
kfree_skb(skb);
if (unlikely(r < 0) || (r == NET_XMIT_DROP)) {
ret = BATADV_TP_REASON_DST_UNREACHABLE;
goto out;