diff options
| author |   Dave Barach <dave@barachs.net> | 2020-04-07 10:52:43 -0400 |
|---|---|---|
| committer |   John Lo <loj@cisco.com> | 2020-04-07 22:14:26 +0000 |
| commit | 95e19253320ab07748787f4c8a7620704563f6b8 (patch) | |
| tree | 1b8f6b2805d561e43f9a5e5aa31a9a6db9353ef8 /src/vlib | |
| parent | 85bee7548bc5a360851d92807dae6d4159b68314 (diff) | |
l2: handle complete clone fail in l2_flood
vlib_buffer_clone(...) may not manage to produce any buffer clones at
all.
vlib_buffer_clone_256 should not smash the original buffer reference
count if no clones are produced.
Type: fix
Signed-off-by: Dave Barach <dave@barachs.net>
Change-Id: I14d9d53637a220485c7a0036cfc75a4149b264ea
Diffstat (limited to 'src/vlib')
| -rw-r--r-- | src/vlib/buffer_funcs.h | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/src/vlib/buffer_funcs.h b/src/vlib/buffer_funcs.h index 7103227a965..98ee2055833 100644 --- a/src/vlib/buffer_funcs.h +++ b/src/vlib/buffer_funcs.h @@ -1208,11 +1208,11 @@ vlib_buffer_clone_256 (vlib_main_t * vm, u32 src_buffer, u32 * buffers, d->next_buffer = src_buffer; } vlib_buffer_advance (s, head_end_offset); - s->ref_count = n_buffers; + s->ref_count = n_buffers ? n_buffers : s->ref_count; while (s->flags & VLIB_BUFFER_NEXT_PRESENT) { s = vlib_get_buffer (vm, s->next_buffer); - s->ref_count = n_buffers; + s->ref_count = n_buffers ? n_buffers : s->ref_count; } return n_buffers; |