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sniffer: Check for missing netif header in dump_pkt

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Avoids a hard fault when using the latest RIOT master where raw mode
does not provide a netif header.
This commit is contained in:
Joakim Nohlgård 2018-10-27 00:00:38 +02:00
parent 8278c7dd63
commit 4ab673ca74
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 ");