af_xdp: fix chained buffer free on failure

Type: fix

Change-Id: I7c6fb783e5200773cbd02c86d39fd241efcc39f9
Signed-off-by: Benoît Ganne <bganne@cisco.com>

diff --git a/src/plugins/af_xdp/output.c b/src/plugins/af_xdp/output.c
index bb5d56f..a59c01c 100644 (file)
--- a/src/plugins/af_xdp/output.c
+++ b/src/plugins/af_xdp/output.c
@@ -208,7 +208,7 @@ wrap_around:
            {
              af_xdp_log (VLIB_LOG_LEVEL_ERR, ad,
                          "vlib_buffer_chain_linearize failed");
-             vlib_buffer_free_one (vm, b[0]->buffer_pool_index);
+             vlib_buffer_free_one (vm, vlib_get_buffer_index (vm, b[0]));
              continue;
            }
        }