diff options
Diffstat (limited to 'sys/net/radix.c')
| -rw-r--r-- | sys/net/radix.c | 10 |
1 files changed, 6 insertions, 4 deletions
diff --git a/sys/net/radix.c b/sys/net/radix.c index 2f52c3a..62f57f8 100644 --- a/sys/net/radix.c +++ b/sys/net/radix.c @@ -971,6 +971,8 @@ rn_walktree_from(struct radix_node_head *h, void *a, void *m, int stopping = 0; int lastb; + KASSERT(m != NULL, ("%s: mask needs to be specified", __func__)); + /* * rn_search_m is sort-of-open-coded here. We cannot use the * function because we need to keep track of the last node seen. @@ -994,11 +996,11 @@ rn_walktree_from(struct radix_node_head *h, void *a, void *m, /* * Two cases: either we stepped off the end of our mask, * in which case last == rn, or we reached a leaf, in which - * case we want to start from the last node we looked at. - * Either way, last is the node we want to start from. + * case we want to start from the leaf. */ - rn = last; - lastb = rn->rn_bit; + if (rn->rn_bit >= 0) + rn = last; + lastb = last->rn_bit; /* printf("rn %p, lastb %d\n", rn, lastb);*/ |
