1 files changed, 1 insertions, 2 deletions

diff --git a/net/netfilter/nf_conntrack_netlink.c b/net/netfilter/nf_conntrack_netlink.c
index 3f73327794ab..d0fe3d769828 100644
--- a/net/netfilter/nf_conntrack_netlink.c
+++ b/net/netfilter/nf_conntrack_netlink.c
@@ -869,8 +869,7 @@ ctnetlink_change_helper(struct nf_conn *ct, struct nfattr *cda[])
                 return 0;
 
         if (help->helper)
-                /* we had a helper before ... */
-                nf_ct_remove_expectations(ct);
+                return -EBUSY;
 
         /* need to zero data of old helper */
         memset(&help->help, 0, sizeof(help->help));