Stop processing IPPROTO_ values once we hit IPPROTO_IPCOMP.

It's not like, for example, AH or ESP, where, following the header for
that protocol, there's another protocol with its own payload.

1 files changed, 8 insertions, 3 deletions

diff --git a/print-ip6.c b/print-ip6.c
index c5811300..2e1803f0 100644
--- a/print-ip6.c
+++ b/print-ip6.c
@@ -353,9 +353,14 @@ ip6_print(netdissect_options *ndo, const u_char *bp, u_int length)
 		    }
 		case IPPROTO_IPCOMP:
 		    {
-			int enh;
-			advance = ipcomp_print(ndo, cp, &enh);
-			nh = enh & 0xff;
+			ipcomp_print(ndo, cp);
+			/*
+			 * Either this has decompressed the payload and
+			 * printed it, in which case there's nothing more
+			 * to do, or it hasn't, in which case there's
+			 * nothing more to do.
+			 */
+			advance = -1;
 			break;
 		    }