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Merge pull request #10869 from gschorcht/gnrc_icmpv6_echo_fix

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gnrc_icmpv6_echo: avoid crashing when pktbuf full
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Martine Lenders 2019-01-25 18:33:07 +01:00 committed by GitHub
commit 2d54069f59
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1 changed files with 6 additions and 0 deletions
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6
sys/net/gnrc/network_layer/icmpv6/echo/gnrc_icmpv6_echo.c
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@ -93,6 +93,12 @@ void gnrc_icmpv6_echo_req_handle(gnrc_netif_t *netif, ipv6_hdr_t *ipv6_hdr,
pkt = hdr;
hdr = gnrc_netif_hdr_build(NULL, 0, NULL, 0);
if (hdr == NULL) {
DEBUG("icmpv6_echo: no space left in packet buffer\n");
gnrc_pktbuf_release(pkt);
return;
}
if (netif != NULL) {
((gnrc_netif_hdr_t *)hdr->data)->if_pid = netif->pid;
}