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| author |   Nathan Skrzypczak <nathan.skrzypczak@gmail.com> | 2022-02-11 11:19:58 +0100 |
|---|---|---|
| committer |   Damjan Marion <dmarion@me.com> | 2022-02-13 20:10:58 +0000 |
| commit | 1b969c2f6a181d4f7cca542dad00e4feb1e45650 (patch) | |
| tree | 24391348ac1364553841d15e3fced165e3620606 | |
| parent | 360aee3e00c1211840b5a946a274ef1c496d5aa2 (diff) | |
memif: Fix underflow
Type: fix
Change-Id: Id183c47328510b5db7ffcc7a4dfb41f5a3151399
Signed-off-by: Nathan Skrzypczak <nathan.skrzypczak@gmail.com>
| -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]); |