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Merge pull request https://github.com/RIOT-OS/applications/pull/54 from gebart/sniffer/pkt-next-nullptr

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sniffer: Check for missing netif header in dump_pkt
This commit is contained in:
Martine Lenders 2018-10-27 12:33:07 +02:00 committed by GitHub
commit fd81987a76
1 changed files with 8 additions and 4 deletions
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12
sniffer/main.c
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@ -55,10 +55,14 @@ static char rawdmp_stack[THREAD_STACKSIZE_SMALL];
void dump_pkt(gnrc_pktsnip_t *pkt)
{
gnrc_pktsnip_t *snip = pkt;
gnrc_netif_hdr_t *netif_hdr = pkt->next->data;
uint8_t lqi = netif_hdr->lqi;
pkt = gnrc_pktbuf_remove_snip(pkt, pkt->next);
uint8_t lqi = 0;
if (pkt->next) {
if (pkt->next->type == GNRC_NETTYPE_NETIF) {
gnrc_netif_hdr_t *netif_hdr = pkt->next->data;
lqi = netif_hdr->lqi;
pkt = gnrc_pktbuf_remove_snip(pkt, pkt->next);
}
}
uint64_t now_us = xtimer_usec_from_ticks64(xtimer_now64());
print_str("rftest-rx --- len ");