diff options
Diffstat (limited to 'src/vppinfra/sparse_vec.h')
| -rw-r--r-- | src/vppinfra/sparse_vec.h | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/src/vppinfra/sparse_vec.h b/src/vppinfra/sparse_vec.h index cfa5778e290..54a92ce7a84 100644 --- a/src/vppinfra/sparse_vec.h +++ b/src/vppinfra/sparse_vec.h @@ -115,6 +115,10 @@ sparse_vec_index_internal (void *v, w = h->is_member_bitmap[i]; + /* count_trailing_zeros(0) == 0, take care of that case */ + if (PREDICT_FALSE (maybe_range == 0 && insert == 0 && w == 0)) + return 0; + if (PREDICT_TRUE (maybe_range == 0 && insert == 0 && count_trailing_zeros (w) == b)) return h->member_counts[i] + 1; |