If the set comes without definition (ie. no elements) then skip check for overlaps since set->init is NULL. Signed-off-by: Pablo Neira Ayuso <pablo@xxxxxxxxxxxxx> --- src/segtree.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/src/segtree.c b/src/segtree.c index 74f0fb3..fa11967 100644 --- a/src/segtree.c +++ b/src/segtree.c @@ -377,7 +377,7 @@ static int set_to_segtree(struct list_head *msgs, struct set *set, /* We are updating an existing set with new elements, check if the new * interval overlaps with any of the existing ones. */ - if (add && set->init != init) { + if (add && set->init && set->init != init) { err = set_overlap(msgs, set, init, tree->keylen); if (err < 0) return err; -- 2.1.4 -- To unsubscribe from this list: send the line "unsubscribe netfilter-devel" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html