Fix adding ranges to hash types

When ranges are added to hash types, the elements may trigger rehashing the set.
However, the last successfully added element was not kept track so the adding
started again with the first element after the rehashing. Bug reported by Mr Dash Four.

1 files changed, 14 insertions, 2 deletions

diff --git a/kernel/net/netfilter/ipset/ip_set_hash_net.c b/kernel/net/netfilter/ipset/ip_set_hash_net.c
index 0024053..e6f8bc5 100644
--- a/kernel/net/netfilter/ipset/ip_set_hash_net.c
+++ b/kernel/net/netfilter/ipset/ip_set_hash_net.c
@@ -125,6 +125,12 @@ nla_put_failure:
 #define HOST_MASK	32
 #include <linux/netfilter/ipset/ip_set_ahash.h>
 
+static inline void
+hash_net4_data_next(struct ip_set_hash *h,
+		    const struct hash_net4_elem *d)
+{
+}
+
 static int
 hash_net4_kadt(struct ip_set *set, const struct sk_buff *skb,
 	       enum ipset_adt adt, const struct ip_set_adt_opt *opt)
@@ -146,7 +152,7 @@ hash_net4_kadt(struct ip_set *set, const struct sk_buff *skb,
 
 static int
 hash_net4_uadt(struct ip_set *set, struct nlattr *tb[],
-	       enum ipset_adt adt, u32 *lineno, u32 flags)
+	       enum ipset_adt adt, u32 *lineno, u32 flags, bool retried)
 {
 	const struct ip_set_hash *h = set->data;
 	ipset_adtfn adtfn = set->variant->adt[adt];
@@ -290,6 +296,12 @@ nla_put_failure:
 #define HOST_MASK	128
 #include <linux/netfilter/ipset/ip_set_ahash.h>
 
+static inline void
+hash_net6_data_next(struct ip_set_hash *h,
+		    const struct hash_net6_elem *d)
+{
+}
+
 static int
 hash_net6_kadt(struct ip_set *set, const struct sk_buff *skb,
 	       enum ipset_adt adt, const struct ip_set_adt_opt *opt)
@@ -311,7 +323,7 @@ hash_net6_kadt(struct ip_set *set, const struct sk_buff *skb,
 
 static int
 hash_net6_uadt(struct ip_set *set, struct nlattr *tb[],
-	       enum ipset_adt adt, u32 *lineno, u32 flags)
+	       enum ipset_adt adt, u32 *lineno, u32 flags, bool retried)
 {
 	const struct ip_set_hash *h = set->data;
 	ipset_adtfn adtfn = set->variant->adt[adt];