taglinefilesource code
res237include/linux/tcp.hres2:2;
res2898net/inet/sock.csk->dummy_th.res2=0;
res2127net/inet/tcp.cth->urg, th->res1, th->res2);
res2693net/inet/tcp.ct1->res2 = 0;
res21076net/inet/tcp.ct1->res2 = 0;
res21852net/inet/tcp.cnewsk->dummy_th.res2 = 0;
res21908net/inet/tcp.ct1->res2 = 0;
res22850net/inet/tcp.ct1->res2=0;
res23407net/inet/tcp.ct1->res2= 0;