*** ppp.c.old	Thu Jan  9 17:16:46 1992
--- ppp.c	Thu Jan  9 17:16:40 1992
***************
*** 839,845 ****
  void io()
  {
      int len, i;
!     u_char *p;
      u_short protocol;
  #ifdef	STREAMS
      struct strbuf str;
--- 839,845 ----
  void io()
  {
      int len, i;
!     u_char *p, *pstart;
      u_short protocol;
  #ifdef	STREAMS
      struct strbuf str;
***************
*** 850,855 ****
--- 850,856 ----
  
      for (;;) {			/* Read all available packets */
  	p = (u_char *) malloc(MTU + DLLHEADERLEN);
+ 	pstart = p;		/* save start of packet */
  #ifdef	STREAMS
  	str.maxlen = MTU+DLLHEADERLEN;
  	str.buf = (caddr_t) p;
***************
*** 859,864 ****
--- 860,866 ----
  		if(errno == EAGAIN || errno == EWOULDBLOCK) {
  			if(debug > 2)
  				perror("ppp: getmsg(fd)");
+ 			free(pstart)
  			return;
  		}
  		perror("ppp: getmsg(fd)");
***************
*** 871,876 ****
--- 873,879 ----
  		if(debug > 2)
  			fprintf(stderr, "ppp: getmsg short return length %d\n",
  				str.len);
+ 		free(pstart);
  		return;
  	}
  		
***************
*** 880,885 ****
--- 883,889 ----
  	    if (errno == EWOULDBLOCK) {
  		if (debug > 2)
  		    perror("ppp: read(fd)");
+ 		free(pstart);
  		return;
  	    }
  	    else {
***************
*** 897,902 ****
--- 901,907 ----
  	if (len < DLLHEADERLEN) {
  	    if (debug)
  		fprintf(stderr, "ppp: input: Received short packet.\n");
+ 	    free(pstart);
  	    return;
  	}
  
***************
*** 909,915 ****
  	 */
  	if (protocol != LCP &&
  	    lcp_fsm[0].state != OPEN) {
! 	    free(p - DLLHEADERLEN);
  	    return;
  	}
  
--- 914,922 ----
  	 */
  	if (protocol != LCP &&
  	    lcp_fsm[0].state != OPEN) {
! 	    if (debug)
! 		fprintf(stderr, "ppp: input: Received non-LCP packet and LCP is not in open state.\n");
! 	    free(pstart);
  	    return;
  	}