xiaoxiang781216 commented on code in PR #15877:
URL: https://github.com/apache/nuttx/pull/15877#discussion_r1964065587
##########
net/devif/ipv6_input.c:
##########
@@ -463,9 +463,15 @@ static int ipv6_in(FAR struct net_driver_s *dev)
if ((dev->d_len > 0 && dev->d_lltype == NET_LL_IEEE802154) ||
(dev->d_len > 0 && dev->d_lltype == NET_LL_PKTRADIO))
{
+ /* Let 6LoWPAN handle the TCP output, the TCP output can be
+ * updated in dev->d_iob so we get this first.
+ */
+
+ FAR struct ipv6_hdr_s *ipv6r = IPv6BUF;
+
/* Let 6LoWPAN handle the TCP output */
- sixlowpan_tcp_send(dev, dev, ipv6);
+ sixlowpan_tcp_send(dev, dev, ipv6r);
Review Comment:
Ok, but it may more clear to reassign IPv6BUF to ipv6 instead ipv6r.
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