Hi, Looks like a typo to me. Comments? OK?
Index: rtsock.c =================================================================== RCS file: /cvs/src/sys/net/rtsock.c,v retrieving revision 1.241 diff -u -p -r1.241 rtsock.c --- rtsock.c 24 Jul 2017 09:20:32 -0000 1.241 +++ rtsock.c 26 Jul 2017 20:18:04 -0000 @@ -764,7 +764,7 @@ rtm_output(struct rt_msghdr *rtm, struct /* * We cannot go through a delete/create/insert cycle for * cached route because this can lead to races in the - * receive path. Instead we upade the L2 cache. + * receive path. Instead we update the L2 cache. */ if ((rt != NULL) && ISSET(rt->rt_flags, RTF_CACHED)) goto change;