Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net

Mere overlapping changes in the conflicts here.

Signed-off-by: David S. Miller <davem@davemloft.net>

3 files changed, 28 insertions, 3 deletions

diff --git a/net/sched/act_ct.c b/net/sched/act_ct.c
index bf2d69335d4b..f685c0d73708 100644
--- a/net/sched/act_ct.c
+++ b/net/sched/act_ct.c
@@ -312,7 +312,7 @@ static void tcf_ct_act_set_labels(struct nf_conn *ct,
 				  u32 *labels_m)
 {
 #if IS_ENABLED(CONFIG_NF_CONNTRACK_LABELS)
-	size_t labels_sz = FIELD_SIZEOF(struct tcf_ct_params, labels);
+	size_t labels_sz = sizeof_field(struct tcf_ct_params, labels);
 
 	if (!memchr_inv(labels_m, 0, labels_sz))
 		return;
@@ -936,7 +936,7 @@ static struct tc_action_ops act_ct_ops = {
 
 static __net_init int ct_init_net(struct net *net)
 {
-	unsigned int n_bits = FIELD_SIZEOF(struct tcf_ct_params, labels) * 8;
+	unsigned int n_bits = sizeof_field(struct tcf_ct_params, labels) * 8;
 	struct tc_ct_action_net *tn = net_generic(net, ct_net_id);
 
 	if (nf_connlabels_get(net, n_bits - 1)) {
diff --git a/net/sched/cls_flower.c b/net/sched/cls_flower.c
index 6c68971d99df..0d125de54285 100644
--- a/net/sched/cls_flower.c
+++ b/net/sched/cls_flower.c
@@ -1481,7 +1481,7 @@ static int fl_init_mask_hashtable(struct fl_flow_mask *mask)
 }
 
 #define FL_KEY_MEMBER_OFFSET(member) offsetof(struct fl_flow_key, member)
-#define FL_KEY_MEMBER_SIZE(member) FIELD_SIZEOF(struct fl_flow_key, member)
+#define FL_KEY_MEMBER_SIZE(member) sizeof_field(struct fl_flow_key, member)
 
 #define FL_KEY_IS_MASKED(mask, member)						\
 	memchr_inv(((char *)mask) + FL_KEY_MEMBER_OFFSET(member),		\
diff --git a/net/sched/cls_u32.c b/net/sched/cls_u32.c
index a0e6fac613de..66c6bcec16cb 100644
--- a/net/sched/cls_u32.c
+++ b/net/sched/cls_u32.c
@@ -1108,10 +1108,33 @@ erridr:
 	return err;
 }
 
+static bool u32_hnode_empty(struct tc_u_hnode *ht, bool *non_root_ht)
+{
+	int i;
+
+	if (!ht)
+		return true;
+	if (!ht->is_root) {
+		*non_root_ht = true;
+		return false;
+	}
+	if (*non_root_ht)
+		return false;
+	if (ht->refcnt < 2)
+		return true;
+
+	for (i = 0; i <= ht->divisor; i++) {
+		if (rtnl_dereference(ht->ht[i]))
+			return false;
+	}
+	return true;
+}
+
 static void u32_walk(struct tcf_proto *tp, struct tcf_walker *arg,
 		     bool rtnl_held)
 {
 	struct tc_u_common *tp_c = tp->data;
+	bool non_root_ht = false;
 	struct tc_u_hnode *ht;
 	struct tc_u_knode *n;
 	unsigned int h;
@@ -1124,6 +1147,8 @@ static void u32_walk(struct tcf_proto *tp, struct tcf_walker *arg,
 	     ht = rtnl_dereference(ht->next)) {
 		if (ht->prio != tp->prio)
 			continue;
+		if (u32_hnode_empty(ht, &non_root_ht))
+			return;
 		if (arg->count >= arg->skip) {
 			if (arg->fn(tp, ht, arg) < 0) {
 				arg->stop = 1;