diff --git a/net/bridge/netfilter/ebt_ulog.c b/net/bridge/netfilter/ebt_ulog.c
index 02693a230dc1faae5d3252f62c4f9a2334ea3f00..9f950db3b76f5135cbb7e1ca7aca9022e5fbcc30 100644
--- a/net/bridge/netfilter/ebt_ulog.c
+++ b/net/bridge/netfilter/ebt_ulog.c
@@ -74,6 +74,9 @@ static void ulog_send(unsigned int nlgroup)
 	if (timer_pending(&ub->timer))
 		del_timer(&ub->timer);
 
+	if (!ub->skb)
+		return;
+
 	/* last nlmsg needs NLMSG_DONE */
 	if (ub->qlen > 1)
 		ub->lastnlh->nlmsg_type = NLMSG_DONE;
diff --git a/net/ipv4/netfilter/ipt_ULOG.c b/net/ipv4/netfilter/ipt_ULOG.c
index d7dd7fe7051ca4413de76da6e631403499b67925..d46fd677fa11f8f48f30e136d843cb95f3ae8c45 100644
--- a/net/ipv4/netfilter/ipt_ULOG.c
+++ b/net/ipv4/netfilter/ipt_ULOG.c
@@ -115,6 +115,11 @@ static void ulog_send(unsigned int nlgroupnum)
 		del_timer(&ub->timer);
 	}
 
+	if (!ub->skb) {
+		DEBUGP("ipt_ULOG: ulog_send: nothing to send\n");
+		return;
+	}
+
 	/* last nlmsg needs NLMSG_DONE */
 	if (ub->qlen > 1)
 		ub->lastnlh->nlmsg_type = NLMSG_DONE;
diff --git a/net/netfilter/nfnetlink_log.c b/net/netfilter/nfnetlink_log.c
index 61cdda4e5d3ba8b25f02af19a7bbb634fc9a0d84..b59d3b2bde21815ad8c20f8fe758c226eff566f4 100644
--- a/net/netfilter/nfnetlink_log.c
+++ b/net/netfilter/nfnetlink_log.c
@@ -366,6 +366,9 @@ __nfulnl_send(struct nfulnl_instance *inst)
 	if (timer_pending(&inst->timer))
 		del_timer(&inst->timer);
 
+	if (!inst->skb)
+		return 0;
+
 	if (inst->qlen > 1)
 		inst->lastnlh->nlmsg_type = NLMSG_DONE;