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Diffstat (limited to 'src/vnet/ip/icmp4.c')
-rw-r--r--src/vnet/ip/icmp4.c6
1 files changed, 4 insertions, 2 deletions
diff --git a/src/vnet/ip/icmp4.c b/src/vnet/ip/icmp4.c
index 1fe01e48500..a4808f23271 100644
--- a/src/vnet/ip/icmp4.c
+++ b/src/vnet/ip/icmp4.c
@@ -513,13 +513,15 @@ ip4_icmp_error (vlib_main_t * vm,
b->current_length = 0;
}
}
- p0->current_length =
- p0->current_length > 576 ? 576 : p0->current_length;
/* Add IP header and ICMPv4 header including a 4 byte data field */
vlib_buffer_advance (p0,
-sizeof (ip4_header_t) -
sizeof (icmp46_header_t) - 4);
+
+ p0->current_length =
+ p0->current_length > 576 ? 576 : p0->current_length;
+
out_ip0 = vlib_buffer_get_current (p0);
icmp0 = (icmp46_header_t *) & out_ip0[1];