gistfile1.txt

diff --git a/sys/netinet/tcp_stacks/rack.c b/sys/netinet/tcp_stacks/rack.c
index 2230e7ab64b..e365934e8f0 100644
--- a/sys/netinet/tcp_stacks/rack.c
+++ b/sys/netinet/tcp_stacks/rack.c
@@ -6907,34 +6907,8 @@ rack_do_segment(struct mbuf *m, struct tcphdr *th, struct socket *so,
                 * Initial input (ACK to SYN-ACK etc)lets go ahead and get
                 * it processed
                 */
-               if (ti_locked != TI_RLOCKED && INP_INFO_TRY_RLOCK(&V_tcbinfo))
-                       ti_locked = TI_RLOCKED;
-               if (ti_locked != TI_RLOCKED) {
-                       inp = tp->t_inpcb;
-                       tfb = tp->t_fb;
-                       in_pcbref(inp);
-                       INP_WUNLOCK(inp);
-                       INP_INFO_RLOCK(&V_tcbinfo);
-                       ti_locked = TI_RLOCKED;
-                       INP_WLOCK(inp);
-                       if (in_pcbrele_wlocked(inp))
-                               inp = NULL;
-                       if (inp == NULL || (inp->inp_flags2 & INP_FREED) ||
-                           (inp->inp_flags & (INP_TIMEWAIT | INP_DROPPED))) {
-                               /* The TCPCB went away. Free the packet. */
-                               INP_INFO_RUNLOCK(&V_tcbinfo);
-                               if (inp)
-                                       INP_WUNLOCK(inp);
-                               m_freem(m);
-                               return;
-                       }
-                       /* If the stack changed, call the correct stack. */
-                       if (tp->t_fb != tfb) {
-                               tp->t_fb->tfb_tcp_do_segment(m, th, so, tp,
-                                   drop_hdrlen, tlen, iptos, ti_locked);
-                               return;
-                       }
-               }
+               INP_INFO_RLOCK();
+               ti_locked = TI_RLOCKED;
                tcp_get_usecs(&tv);
                rack_hpts_do_segment(m, th, so, tp, drop_hdrlen,
                    tlen, iptos, ti_locked, 0, &tv);