From fd3f806e32651ebba9cc09772887c20f675f39b6 Mon Sep 17 00:00:00 2001
From: Martine Lenders <m.lenders@fu-berlin.de>
Date: Fri, 8 Feb 2019 21:53:46 +0100
Subject: [PATCH] gnrc_ipv6_nib: release packet when NC entry can't be added
When the neighbor cache is full, the packet trying to resolve a
neighbor is not released.
This change fixes that.
---
sys/net/gnrc/network_layer/ipv6/nib/nib.c | 1 +
1 file changed, 1 insertion(+)
diff --git a/sys/net/gnrc/network_layer/ipv6/nib/nib.c b/sys/net/gnrc/network_layer/ipv6/nib/nib.c
index 8189482714..c487ddefca 100644
--- a/sys/net/gnrc/network_layer/ipv6/nib/nib.c
+++ b/sys/net/gnrc/network_layer/ipv6/nib/nib.c
@@ -1130,6 +1130,7 @@ static bool _resolve_addr(const ipv6_addr_t *dst, gnrc_netif_t *netif,
entry = _nib_nc_add(dst, (netif != NULL) ? netif->pid : 0,
GNRC_IPV6_NIB_NC_INFO_NUD_STATE_INCOMPLETE);
if (entry == NULL) {
+ gnrc_pktbuf_release(pkt);
return false;
}
#if GNRC_IPV6_NIB_CONF_ROUTER
--
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