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-rw-r--r--include/net/netfilter/nf_tables.h6
-rw-r--r--net/ipv4/netfilter.c7
-rw-r--r--net/netfilter/nf_conntrack_sip.c2
-rw-r--r--net/netfilter/nf_tables_api.c133
-rw-r--r--net/netfilter/nft_set_rbtree.c9
5 files changed, 66 insertions, 91 deletions
diff --git a/include/net/netfilter/nf_tables.h b/include/net/netfilter/nf_tables.h
index ac84686aaafb..2aa8a9d80fbe 100644
--- a/include/net/netfilter/nf_tables.h
+++ b/include/net/netfilter/nf_tables.h
@@ -988,9 +988,9 @@ struct nft_object *nf_tables_obj_lookup(const struct nft_table *table,
const struct nlattr *nla, u32 objtype,
u8 genmask);
-int nft_obj_notify(struct net *net, struct nft_table *table,
- struct nft_object *obj, u32 portid, u32 seq,
- int event, int family, int report, gfp_t gfp);
+void nft_obj_notify(struct net *net, struct nft_table *table,
+ struct nft_object *obj, u32 portid, u32 seq,
+ int event, int family, int report, gfp_t gfp);
/**
* struct nft_object_type - stateful object type
diff --git a/net/ipv4/netfilter.c b/net/ipv4/netfilter.c
index b3cc1335adbc..c0cc6aa8cfaa 100644
--- a/net/ipv4/netfilter.c
+++ b/net/ipv4/netfilter.c
@@ -23,7 +23,8 @@ int ip_route_me_harder(struct net *net, struct sk_buff *skb, unsigned int addr_t
struct rtable *rt;
struct flowi4 fl4 = {};
__be32 saddr = iph->saddr;
- __u8 flags = skb->sk ? inet_sk_flowi_flags(skb->sk) : 0;
+ const struct sock *sk = skb_to_full_sk(skb);
+ __u8 flags = sk ? inet_sk_flowi_flags(sk) : 0;
struct net_device *dev = skb_dst(skb)->dev;
unsigned int hh_len;
@@ -40,7 +41,7 @@ int ip_route_me_harder(struct net *net, struct sk_buff *skb, unsigned int addr_t
fl4.daddr = iph->daddr;
fl4.saddr = saddr;
fl4.flowi4_tos = RT_TOS(iph->tos);
- fl4.flowi4_oif = skb->sk ? skb->sk->sk_bound_dev_if : 0;
+ fl4.flowi4_oif = sk ? sk->sk_bound_dev_if : 0;
if (!fl4.flowi4_oif)
fl4.flowi4_oif = l3mdev_master_ifindex(dev);
fl4.flowi4_mark = skb->mark;
@@ -61,7 +62,7 @@ int ip_route_me_harder(struct net *net, struct sk_buff *skb, unsigned int addr_t
xfrm_decode_session(skb, flowi4_to_flowi(&fl4), AF_INET) == 0) {
struct dst_entry *dst = skb_dst(skb);
skb_dst_set(skb, NULL);
- dst = xfrm_lookup(net, dst, flowi4_to_flowi(&fl4), skb->sk, 0);
+ dst = xfrm_lookup(net, dst, flowi4_to_flowi(&fl4), sk, 0);
if (IS_ERR(dst))
return PTR_ERR(dst);
skb_dst_set(skb, dst);
diff --git a/net/netfilter/nf_conntrack_sip.c b/net/netfilter/nf_conntrack_sip.c
index 24174c520239..0d17894798b5 100644
--- a/net/netfilter/nf_conntrack_sip.c
+++ b/net/netfilter/nf_conntrack_sip.c
@@ -1628,8 +1628,6 @@ static int __init nf_conntrack_sip_init(void)
ports[ports_c++] = SIP_PORT;
for (i = 0; i < ports_c; i++) {
- memset(&sip[i], 0, sizeof(sip[i]));
-
nf_ct_helper_init(&sip[4 * i], AF_INET, IPPROTO_UDP, "sip",
SIP_PORT, ports[i], i, sip_exp_policy,
SIP_EXPECT_MAX,
diff --git a/net/netfilter/nf_tables_api.c b/net/netfilter/nf_tables_api.c
index ff7304ae58ac..5e0ccfd5bb37 100644
--- a/net/netfilter/nf_tables_api.c
+++ b/net/netfilter/nf_tables_api.c
@@ -461,16 +461,15 @@ nla_put_failure:
return -1;
}
-static int nf_tables_table_notify(const struct nft_ctx *ctx, int event)
+static void nf_tables_table_notify(const struct nft_ctx *ctx, int event)
{
struct sk_buff *skb;
int err;
if (!ctx->report &&
!nfnetlink_has_listeners(ctx->net, NFNLGRP_NFTABLES))
- return 0;
+ return;
- err = -ENOBUFS;
skb = nlmsg_new(NLMSG_GOODSIZE, GFP_KERNEL);
if (skb == NULL)
goto err;
@@ -482,14 +481,11 @@ static int nf_tables_table_notify(const struct nft_ctx *ctx, int event)
goto err;
}
- err = nfnetlink_send(skb, ctx->net, ctx->portid, NFNLGRP_NFTABLES,
- ctx->report, GFP_KERNEL);
+ nfnetlink_send(skb, ctx->net, ctx->portid, NFNLGRP_NFTABLES,
+ ctx->report, GFP_KERNEL);
+ return;
err:
- if (err < 0) {
- nfnetlink_set_err(ctx->net, ctx->portid, NFNLGRP_NFTABLES,
- err);
- }
- return err;
+ nfnetlink_set_err(ctx->net, ctx->portid, NFNLGRP_NFTABLES, -ENOBUFS);
}
static int nf_tables_dump_tables(struct sk_buff *skb,
@@ -1050,16 +1046,15 @@ nla_put_failure:
return -1;
}
-static int nf_tables_chain_notify(const struct nft_ctx *ctx, int event)
+static void nf_tables_chain_notify(const struct nft_ctx *ctx, int event)
{
struct sk_buff *skb;
int err;
if (!ctx->report &&
!nfnetlink_has_listeners(ctx->net, NFNLGRP_NFTABLES))
- return 0;
+ return;
- err = -ENOBUFS;
skb = nlmsg_new(NLMSG_GOODSIZE, GFP_KERNEL);
if (skb == NULL)
goto err;
@@ -1072,14 +1067,11 @@ static int nf_tables_chain_notify(const struct nft_ctx *ctx, int event)
goto err;
}
- err = nfnetlink_send(skb, ctx->net, ctx->portid, NFNLGRP_NFTABLES,
- ctx->report, GFP_KERNEL);
+ nfnetlink_send(skb, ctx->net, ctx->portid, NFNLGRP_NFTABLES,
+ ctx->report, GFP_KERNEL);
+ return;
err:
- if (err < 0) {
- nfnetlink_set_err(ctx->net, ctx->portid, NFNLGRP_NFTABLES,
- err);
- }
- return err;
+ nfnetlink_set_err(ctx->net, ctx->portid, NFNLGRP_NFTABLES, -ENOBUFS);
}
static int nf_tables_dump_chains(struct sk_buff *skb,
@@ -1934,18 +1926,16 @@ nla_put_failure:
return -1;
}
-static int nf_tables_rule_notify(const struct nft_ctx *ctx,
- const struct nft_rule *rule,
- int event)
+static void nf_tables_rule_notify(const struct nft_ctx *ctx,
+ const struct nft_rule *rule, int event)
{
struct sk_buff *skb;
int err;
if (!ctx->report &&
!nfnetlink_has_listeners(ctx->net, NFNLGRP_NFTABLES))
- return 0;
+ return;
- err = -ENOBUFS;
skb = nlmsg_new(NLMSG_GOODSIZE, GFP_KERNEL);
if (skb == NULL)
goto err;
@@ -1958,14 +1948,11 @@ static int nf_tables_rule_notify(const struct nft_ctx *ctx,
goto err;
}
- err = nfnetlink_send(skb, ctx->net, ctx->portid, NFNLGRP_NFTABLES,
- ctx->report, GFP_KERNEL);
+ nfnetlink_send(skb, ctx->net, ctx->portid, NFNLGRP_NFTABLES,
+ ctx->report, GFP_KERNEL);
+ return;
err:
- if (err < 0) {
- nfnetlink_set_err(ctx->net, ctx->portid, NFNLGRP_NFTABLES,
- err);
- }
- return err;
+ nfnetlink_set_err(ctx->net, ctx->portid, NFNLGRP_NFTABLES, -ENOBUFS);
}
struct nft_rule_dump_ctx {
@@ -2696,9 +2683,9 @@ nla_put_failure:
return -1;
}
-static int nf_tables_set_notify(const struct nft_ctx *ctx,
- const struct nft_set *set,
- int event, gfp_t gfp_flags)
+static void nf_tables_set_notify(const struct nft_ctx *ctx,
+ const struct nft_set *set, int event,
+ gfp_t gfp_flags)
{
struct sk_buff *skb;
u32 portid = ctx->portid;
@@ -2706,9 +2693,8 @@ static int nf_tables_set_notify(const struct nft_ctx *ctx,
if (!ctx->report &&
!nfnetlink_has_listeners(ctx->net, NFNLGRP_NFTABLES))
- return 0;
+ return;
- err = -ENOBUFS;
skb = nlmsg_new(NLMSG_GOODSIZE, gfp_flags);
if (skb == NULL)
goto err;
@@ -2719,12 +2705,11 @@ static int nf_tables_set_notify(const struct nft_ctx *ctx,
goto err;
}
- err = nfnetlink_send(skb, ctx->net, portid, NFNLGRP_NFTABLES,
- ctx->report, gfp_flags);
+ nfnetlink_send(skb, ctx->net, portid, NFNLGRP_NFTABLES, ctx->report,
+ gfp_flags);
+ return;
err:
- if (err < 0)
- nfnetlink_set_err(ctx->net, portid, NFNLGRP_NFTABLES, err);
- return err;
+ nfnetlink_set_err(ctx->net, portid, NFNLGRP_NFTABLES, -ENOBUFS);
}
static int nf_tables_dump_sets(struct sk_buff *skb, struct netlink_callback *cb)
@@ -3504,10 +3489,10 @@ nla_put_failure:
return -1;
}
-static int nf_tables_setelem_notify(const struct nft_ctx *ctx,
- const struct nft_set *set,
- const struct nft_set_elem *elem,
- int event, u16 flags)
+static void nf_tables_setelem_notify(const struct nft_ctx *ctx,
+ const struct nft_set *set,
+ const struct nft_set_elem *elem,
+ int event, u16 flags)
{
struct net *net = ctx->net;
u32 portid = ctx->portid;
@@ -3515,9 +3500,8 @@ static int nf_tables_setelem_notify(const struct nft_ctx *ctx,
int err;
if (!ctx->report && !nfnetlink_has_listeners(net, NFNLGRP_NFTABLES))
- return 0;
+ return;
- err = -ENOBUFS;
skb = nlmsg_new(NLMSG_GOODSIZE, GFP_KERNEL);
if (skb == NULL)
goto err;
@@ -3529,12 +3513,11 @@ static int nf_tables_setelem_notify(const struct nft_ctx *ctx,
goto err;
}
- err = nfnetlink_send(skb, net, portid, NFNLGRP_NFTABLES, ctx->report,
- GFP_KERNEL);
+ nfnetlink_send(skb, net, portid, NFNLGRP_NFTABLES, ctx->report,
+ GFP_KERNEL);
+ return;
err:
- if (err < 0)
- nfnetlink_set_err(net, portid, NFNLGRP_NFTABLES, err);
- return err;
+ nfnetlink_set_err(net, portid, NFNLGRP_NFTABLES, -ENOBUFS);
}
static struct nft_trans *nft_trans_elem_alloc(struct nft_ctx *ctx,
@@ -4476,18 +4459,17 @@ static int nf_tables_delobj(struct net *net, struct sock *nlsk,
return nft_delobj(&ctx, obj);
}
-int nft_obj_notify(struct net *net, struct nft_table *table,
- struct nft_object *obj, u32 portid, u32 seq, int event,
- int family, int report, gfp_t gfp)
+void nft_obj_notify(struct net *net, struct nft_table *table,
+ struct nft_object *obj, u32 portid, u32 seq, int event,
+ int family, int report, gfp_t gfp)
{
struct sk_buff *skb;
int err;
if (!report &&
!nfnetlink_has_listeners(net, NFNLGRP_NFTABLES))
- return 0;
+ return;
- err = -ENOBUFS;
skb = nlmsg_new(NLMSG_GOODSIZE, gfp);
if (skb == NULL)
goto err;
@@ -4499,21 +4481,18 @@ int nft_obj_notify(struct net *net, struct nft_table *table,
goto err;
}
- err = nfnetlink_send(skb, net, portid, NFNLGRP_NFTABLES, report, gfp);
+ nfnetlink_send(skb, net, portid, NFNLGRP_NFTABLES, report, gfp);
+ return;
err:
- if (err < 0) {
- nfnetlink_set_err(net, portid, NFNLGRP_NFTABLES, err);
- }
- return err;
+ nfnetlink_set_err(net, portid, NFNLGRP_NFTABLES, -ENOBUFS);
}
EXPORT_SYMBOL_GPL(nft_obj_notify);
-static int nf_tables_obj_notify(const struct nft_ctx *ctx,
- struct nft_object *obj, int event)
+static void nf_tables_obj_notify(const struct nft_ctx *ctx,
+ struct nft_object *obj, int event)
{
- return nft_obj_notify(ctx->net, ctx->table, obj, ctx->portid,
- ctx->seq, event, ctx->afi->family, ctx->report,
- GFP_KERNEL);
+ nft_obj_notify(ctx->net, ctx->table, obj, ctx->portid, ctx->seq, event,
+ ctx->afi->family, ctx->report, GFP_KERNEL);
}
static int nf_tables_fill_gen_info(struct sk_buff *skb, struct net *net,
@@ -4543,7 +4522,8 @@ nla_put_failure:
return -EMSGSIZE;
}
-static int nf_tables_gen_notify(struct net *net, struct sk_buff *skb, int event)
+static void nf_tables_gen_notify(struct net *net, struct sk_buff *skb,
+ int event)
{
struct nlmsghdr *nlh = nlmsg_hdr(skb);
struct sk_buff *skb2;
@@ -4551,9 +4531,8 @@ static int nf_tables_gen_notify(struct net *net, struct sk_buff *skb, int event)
if (nlmsg_report(nlh) &&
!nfnetlink_has_listeners(net, NFNLGRP_NFTABLES))
- return 0;
+ return;
- err = -ENOBUFS;
skb2 = nlmsg_new(NLMSG_GOODSIZE, GFP_KERNEL);
if (skb2 == NULL)
goto err;
@@ -4565,14 +4544,12 @@ static int nf_tables_gen_notify(struct net *net, struct sk_buff *skb, int event)
goto err;
}
- err = nfnetlink_send(skb2, net, NETLINK_CB(skb).portid,
- NFNLGRP_NFTABLES, nlmsg_report(nlh), GFP_KERNEL);
+ nfnetlink_send(skb2, net, NETLINK_CB(skb).portid, NFNLGRP_NFTABLES,
+ nlmsg_report(nlh), GFP_KERNEL);
+ return;
err:
- if (err < 0) {
- nfnetlink_set_err(net, NETLINK_CB(skb).portid, NFNLGRP_NFTABLES,
- err);
- }
- return err;
+ nfnetlink_set_err(net, NETLINK_CB(skb).portid, NFNLGRP_NFTABLES,
+ -ENOBUFS);
}
static int nf_tables_getgen(struct net *net, struct sock *nlsk,
diff --git a/net/netfilter/nft_set_rbtree.c b/net/netfilter/nft_set_rbtree.c
index 71e8fb886a73..78dfbf9588b3 100644
--- a/net/netfilter/nft_set_rbtree.c
+++ b/net/netfilter/nft_set_rbtree.c
@@ -60,11 +60,10 @@ static bool nft_rbtree_lookup(const struct net *net, const struct nft_set *set,
d = memcmp(this, key, set->klen);
if (d < 0) {
parent = parent->rb_left;
- /* In case of adjacent ranges, we always see the high
- * part of the range in first place, before the low one.
- * So don't update interval if the keys are equal.
- */
- if (interval && nft_rbtree_equal(set, this, interval))
+ if (interval &&
+ nft_rbtree_equal(set, this, interval) &&
+ nft_rbtree_interval_end(this) &&
+ !nft_rbtree_interval_end(interval))
continue;
interval = rbe;
} else if (d > 0)
generated by cgit v1.2.3 (git 2.39.1) at 2024-04-20 10:51:25 +0000