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memif: Fix underflow
85/35285/2
author
Nathan Skrzypczak
<nathan.skrzypczak@gmail.com>
Fri, 11 Feb 2022 10:19:58 +0000
(11:19 +0100)
committer
Damjan Marion
<dmarion@me.com>
Sun, 13 Feb 2022 20:10:58 +0000
(20:10 +0000)
Type: fix
Change-Id: Id183c47328510b5db7ffcc7a4dfb41f5a3151399
Signed-off-by: Nathan Skrzypczak <nathan.skrzypczak@gmail.com>
src/plugins/memif/node.c
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diff --git
a/src/plugins/memif/node.c
b/src/plugins/memif/node.c
index
1f636f2
..
5bb10fc
100644
(file)
--- 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]);