MAC address of a link-partner is not saved for future use because of bad condition of if statement. Moreover it can potentially cause to NULL-pointer dereference.
Signed-off-by: Viacheslav Mitrofanov <v.v.mitrofa...@yadro.com> --- net/ndisc.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/net/ndisc.c b/net/ndisc.c index 3c0eeeaea3..56fc6390bc 100644 --- a/net/ndisc.c +++ b/net/ndisc.c @@ -264,7 +264,7 @@ int ndisc_receive(struct ethernet_hdr *et, struct ip6_hdr *ip6, int len) ndisc_extract_enetaddr(ndisc, neigh_eth_addr); /* save address for later use */ - if (!net_nd_packet_mac) + if (net_nd_packet_mac) memcpy(net_nd_packet_mac, neigh_eth_addr, 7); /* modify header, and transmit it */ -- 2.30.2