diff options
| author |   Nathan Skrzypczak <nathan.skrzypczak@gmail.com> | 2022-02-11 11:19:58 +0100 |
|---|---|---|
| committer |   Mauro Sardara <msardara@cisco.com> | 2022-03-11 09:53:11 +0000 |
| commit | 8639e5c52c010233ee0068a4ab90b2d8084b4ba1 (patch) | |
| tree | 4914a5262c6070973a3e9b0ef58570471bc7168a | |
| parent | 9f0c28e7f2203213fa9ea01389d044dcce3f0afe (diff) | |
memif: Fix underflow
Type: fix
Change-Id: Id183c47328510b5db7ffcc7a4dfb41f5a3151399
Signed-off-by: Nathan Skrzypczak <nathan.skrzypczak@gmail.com>
(cherry picked from commit 1b969c2f6a181d4f7cca542dad00e4feb1e45650)
| -rw-r--r-- | src/plugins/memif/node.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/src/plugins/memif/node.c b/src/plugins/memif/node.c index 1f636f2b3a2..5bb10fc6eec 100644 --- a/src/plugins/memif/node.c +++ b/src/plugins/memif/node.c @@ -557,7 +557,7 @@ memif_device_input_inline (vlib_main_t *vm, vlib_node_runtime_t *node, vlib_get_buffers (vm, ptd->buffers, buffer_ptrs, n_buffers); - for (i = 0; i < n_pkts - 8; i++) + for (i = 0; i + 8 < n_pkts; i++) { clib_prefetch_load (desc_data[i + 8]); clib_prefetch_store (buffer_ptrs[i + 8]->data); @@ -574,7 +574,7 @@ memif_device_input_inline (vlib_main_t *vm, vlib_node_runtime_t *node, u32 n_pkts = vec_len (ptd->copy_ops); co = ptd->copy_ops; - for (i = 0; i < n_pkts - 8; i++) + for (i = 0; i + 8 < n_pkts; i++) { clib_prefetch_load (co[i + 8].data); b = vlib_get_buffer (vm, ptd->buffers[co[i].buffer_vec_index]); |