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-rw-r--r--src/netlink.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/src/netlink.c b/src/netlink.c
index 103fdbd1..97ae88c7 100644
--- a/src/netlink.c
+++ b/src/netlink.c
@@ -120,6 +120,9 @@ static struct nftnl_set_elem *alloc_nftnl_setelem(const struct expr *set,
} else {
elem = expr;
}
+ if (elem->etype != EXPR_SET_ELEM)
+ BUG("Unexpected expression type: got %d\n", elem->etype);
+
key = elem->key;
netlink_gen_data(key, &nld);