diff options
Diffstat (limited to 'src/chain.c')
| -rw-r--r-- | src/chain.c | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/src/chain.c b/src/chain.c index b67385e..26ad14d 100644 --- a/src/chain.c +++ b/src/chain.c @@ -973,7 +973,10 @@ struct nft_chain_list_iter *nft_chain_list_iter_create(struct nft_chain_list *l) return NULL; iter->list = l; - iter->cur = list_entry(l->list.next, struct nft_chain, head); + if (nft_chain_list_is_empty(l)) + iter->cur = NULL; + else + iter->cur = list_entry(l->list.next, struct nft_chain, head); return iter; } @@ -983,6 +986,9 @@ struct nft_chain *nft_chain_list_iter_next(struct nft_chain_list_iter *iter) { struct nft_chain *r = iter->cur; + if (r == NULL) + return NULL; + /* get next chain, if any */ iter->cur = list_entry(iter->cur->head.next, struct nft_chain, head); if (&iter->cur->head == iter->list->list.next) |