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-rw-r--r--src/plugins/memif/node.c6
1 files changed, 2 insertions, 4 deletions
diff --git a/src/plugins/memif/node.c b/src/plugins/memif/node.c
index 5bb10fc6eec..ce9f95bc453 100644
--- a/src/plugins/memif/node.c
+++ b/src/plugins/memif/node.c
@@ -247,7 +247,7 @@ memif_process_desc (vlib_main_t *vm, vlib_node_runtime_t *node,
u32 n_buffers = 0;
u32 n_left = ptd->n_packets;
u32 packet_len;
- int i = 0;
+ int i = -1;
/* construct copy and packet vector out of ring slots */
while (n_left)
@@ -261,6 +261,7 @@ memif_process_desc (vlib_main_t *vm, vlib_node_runtime_t *node,
dst_off = start_offset;
next_slot:
+ i++; /* next descriptor */
n_bytes_left = desc_len[i];
packet_len += n_bytes_left;
@@ -287,9 +288,6 @@ memif_process_desc (vlib_main_t *vm, vlib_node_runtime_t *node,
}
while (PREDICT_FALSE (n_bytes_left));
- /* next descriptor */
- i++;
-
if (desc_status[i].next)
{
src_off = 0;