octeon: fix buffer free on full tx ring

[vpp.git] / src / plugins / dev_octeon / tx_node.c

diff --git a/src/plugins/dev_octeon/tx_node.c b/src/plugins/dev_octeon/tx_node.c
index 5deaa82..28e8f25 100644 (file)
--- a/src/plugins/dev_octeon/tx_node.c
+++ b/src/plugins/dev_octeon/tx_node.c
@@ -392,11 +392,11 @@ VNET_DEV_NODE_FN (oct_tx_node)
 
   if (n < n_pkts)
     {
-      n = n_pkts - n;
-      vlib_buffer_free (vm, from + n, n);
+      u32 n_free = n_pkts - n;
+      vlib_buffer_free (vm, from + n, n_free);
       vlib_error_count (vm, node->node_index, OCT_TX_NODE_CTR_NO_FREE_SLOTS,
-                       n);
-      n_pkts -= ctx.n_drop;
+                       n_free);
+      n_pkts -= n_free;
     }
 
   if (ctx.n_drop)