ip: fix comments for icmp4

Type: fix
Change-Id: I5f309ca4db4ae4a3e475d87b8f0188c4ead5e562
Signed-off-by: lijinhui <lijh_7@chinatelecom.cn>

diff --git a/src/vnet/ip/icmp4.c b/src/vnet/ip/icmp4.c
index 452817d..fa4a0e1 100644 (file)
--- a/src/vnet/ip/icmp4.c
+++ b/src/vnet/ip/icmp4.c
@@ -341,7 +341,7 @@ ip4_icmp_error (vlib_main_t * vm,
          /* Prefer a source address from "offending interface" */
          if (!ip4_sas_by_sw_if_index (sw_if_index0, &out_ip0->dst_address,
                                       &out_ip0->src_address))
-           { /* interface has no IP6 address - should not happen */
+           { /* interface has no IP4 address - should not happen */
              next0 = IP4_ICMP_ERROR_NEXT_DROP;
              error0 = ICMP4_ERROR_DROP;
            }