fixed bug in handling of tcp urgent

SCCS-vsn: sys/netinet/tcp_input.c 1.69

diff --git a/usr/src/sys/netinet/tcp_input.c b/usr/src/sys/netinet/tcp_input.c
index 63ac1ba..66f8c26 100644 (file)
--- a/usr/src/sys/netinet/tcp_input.c
+++ b/usr/src/sys/netinet/tcp_input.c
@@ -1,4 +1,4 @@
-/*     tcp_input.c     1.68    82/06/20        */
+/*     tcp_input.c     1.69    82/06/24        */

 
 #include "../h/param.h"
 #include "../h/systm.h"
 
 #include "../h/param.h"
 #include "../h/systm.h"


@@ -581,7 +581,8 @@ step6:
        /*
         * Process segments with URG.
         */
        /*
         * Process segments with URG.
         */

-       if ((tiflags & TH_URG) && TCPS_HAVERCVDFIN(tp->t_state) == 0) {
+       if ((tiflags & TH_URG) && ti->ti_urp &&
+           TCPS_HAVERCVDFIN(tp->t_state) == 0) {

                /*
                 * If this segment advances the known urgent pointer,
                 * then mark the data stream.  This should not happen
                /*
                 * If this segment advances the known urgent pointer,
                 * then mark the data stream.  This should not happen