batadv_send_skb_to_orig can return -1 to signal that the skb was not
consumed. tp_meter has then to free the skb to avoid a memory leak.
Fixes: 98d7a766b645 ("batman-adv: throughput meter implementation")
Signed-off-by: Sven Eckelmann <[email protected]>
---
v2:
- rebased on current master
- added patch to a common set of related patches
net/batman-adv/tp_meter.c | 3 +++
1 file changed, 3 insertions(+)
diff --git a/net/batman-adv/tp_meter.c b/net/batman-adv/tp_meter.c
index bf6bffb..2333777 100644
--- a/net/batman-adv/tp_meter.c
+++ b/net/batman-adv/tp_meter.c
@@ -1206,6 +1206,9 @@ 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;
--
2.8.1
