X-Git-Url: https://gerrit.fd.io/r/gitweb?a=blobdiff_plain;f=src%2Fvnet%2Fip%2Ficmp6.c;h=6ebdef4745edd7488c5d9a922c77a34bbfa73969;hb=da6e11b47d47c764b11304524de559dda0d0d223;hp=fd5d0ecba387007a8c22762c9b659832dec96039;hpb=8a9c8f1412cb1258340b18a8eb622a835ef3c37b;p=vpp.git

diff --git a/src/vnet/ip/icmp6.c b/src/vnet/ip/icmp6.c
index fd5d0ecba38..6ebdef4745e 100644
--- a/src/vnet/ip/icmp6.c
+++ b/src/vnet/ip/icmp6.c
@@ -526,13 +526,15 @@ ip6_icmp_error (vlib_main_t * vm,
 		  b->current_length = 0;
 		}
 	    }
-	  p0->current_length =
-	    p0->current_length > 1280 ? 1280 : p0->current_length;
 
 	  /* Add IP header and ICMPv6 header including a 4 byte data field */
 	  vlib_buffer_advance (p0,
 			       -sizeof (ip6_header_t) -
 			       sizeof (icmp46_header_t) - 4);
+
+	  p0->current_length =
+	    p0->current_length > 1280 ? 1280 : p0->current_length;
+
 	  out_ip0 = vlib_buffer_get_current (p0);
 	  icmp0 = (icmp46_header_t *) & out_ip0[1];