*** tcp_timer.c-	Thu Jul 11 12:07:09 1996
--- tcp_timer.c	Thu Jul 11 12:08:20 1996
***************
*** 171,176 ****
--- 171,191 ----
  {
  	register int rexmt;
  
+ #ifdef SACK
+         struct sackhole *p, *q;
+         /*
+          * Free SACK holes for 2MSL, REXMT, PERSIST and KEEP_ALIVE 
+          * timers.
+          */
+         q = p = tp->snd_holes;
+         while (p != 0) {
+                 q = p->next;
+                 free(p, M_PCB);
+                 p = q;
+         }
+         tp->snd_holes = 0;
+ #endif
+ 
  	switch (timer) {
  
  	/*