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net/gnrc/udp: Adding Null pointer check in gnrc_netif_hdr_build

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This commit is contained in:
harisanthosh 2019-07-25 13:38:53 -07:00
parent 11b4bab101
commit f583368842
1 changed files with 5 additions and 0 deletions
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5
tests/gnrc_udp/udp.c
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@ -138,6 +138,11 @@ static void send(char *addr_str, char *port_str, char *data_len_str, unsigned in
if (iface > 0) {
gnrc_pktsnip_t *netif = gnrc_netif_hdr_build(NULL, 0, NULL, 0);
if(netif == NULL) {
puts("Error: unable to allocate NETIF header");
gnrc_pktbuf_release(ip);
return;
}
((gnrc_netif_hdr_t *)netif->data)->if_pid = (kernel_pid_t)iface;
LL_PREPEND(ip, netif);
}