diff options
Diffstat (limited to 'src/vppinfra/pool.h')
| -rw-r--r-- | src/vppinfra/pool.h | 27 |
1 files changed, 15 insertions, 12 deletions
diff --git a/src/vppinfra/pool.h b/src/vppinfra/pool.h index 10262e90ec7..747a7170800 100644 --- a/src/vppinfra/pool.h +++ b/src/vppinfra/pool.h @@ -352,18 +352,21 @@ do { \ typeof (P) _pool_var (new) = 0; \ pool_header_t * _pool_var (ph), * _pool_var (new_ph); \ u32 _pool_var (n) = pool_len (P); \ - _pool_var (new) = _vec_resize (_pool_var (new), _pool_var (n), \ - _pool_var (n) * sizeof ((P)[0]), \ - pool_aligned_header_bytes, (A)); \ - clib_memcpy_fast (_pool_var (new), (P), \ - _pool_var (n) * sizeof ((P)[0])); \ - _pool_var (ph) = pool_header (P); \ - _pool_var (new_ph) = pool_header (_pool_var (new)); \ - _pool_var (new_ph)->free_bitmap = \ - clib_bitmap_dup (_pool_var (ph)->free_bitmap); \ - _pool_var (new_ph)->free_indices = \ - vec_dup (_pool_var (ph)->free_indices); \ - _pool_var (new_ph)->max_elts = _pool_var (ph)->max_elts; \ + if ((P)) \ + { \ + _pool_var (new) = _vec_resize (_pool_var (new), _pool_var (n), \ + _pool_var (n) * sizeof ((P)[0]), \ + pool_aligned_header_bytes, (A)); \ + clib_memcpy_fast (_pool_var (new), (P), \ + _pool_var (n) * sizeof ((P)[0])); \ + _pool_var (ph) = pool_header (P); \ + _pool_var (new_ph) = pool_header (_pool_var (new)); \ + _pool_var (new_ph)->free_bitmap = \ + clib_bitmap_dup (_pool_var (ph)->free_bitmap); \ + _pool_var (new_ph)->free_indices = \ + vec_dup (_pool_var (ph)->free_indices); \ + _pool_var (new_ph)->max_elts = _pool_var (ph)->max_elts; \ + } \ _pool_var (new); \ }) |