From: Pablo Neira Ayuso <pablo@netfilter.org>
To: netfilter-devel@vger.kernel.org
Cc: davem@davemloft.net, netdev@vger.kernel.org
Subject: [PATCH 42/52] netfilter: nf_tables: remove nft_dereference()
Date: Mon, 8 Jan 2018 21:19:50 +0100 [thread overview]
Message-ID: <20180108202000.12989-43-pablo@netfilter.org> (raw)
In-Reply-To: <20180108202000.12989-1-pablo@netfilter.org>
This macro is unnecessary, it just hides details for one single caller.
nfnl_dereference() is just enough.
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
---
include/net/netfilter/nf_tables.h | 3 ---
net/netfilter/nf_tables_api.c | 6 +++---
2 files changed, 3 insertions(+), 6 deletions(-)
diff --git a/include/net/netfilter/nf_tables.h b/include/net/netfilter/nf_tables.h
index e040b6151acc..e3ec02fd0f67 100644
--- a/include/net/netfilter/nf_tables.h
+++ b/include/net/netfilter/nf_tables.h
@@ -1113,9 +1113,6 @@ void nft_trace_init(struct nft_traceinfo *info, const struct nft_pktinfo *pkt,
void nft_trace_notify(struct nft_traceinfo *info);
-#define nft_dereference(p) \
- nfnl_dereference(p, NFNL_SUBSYS_NFTABLES)
-
#define MODULE_ALIAS_NFT_FAMILY(family) \
MODULE_ALIAS("nft-afinfo-" __stringify(family))
diff --git a/net/netfilter/nf_tables_api.c b/net/netfilter/nf_tables_api.c
index 15773a3189ce..fa564dac66a2 100644
--- a/net/netfilter/nf_tables_api.c
+++ b/net/netfilter/nf_tables_api.c
@@ -1222,13 +1222,13 @@ static struct nft_stats __percpu *nft_stats_alloc(const struct nlattr *attr)
static void nft_chain_stats_replace(struct nft_base_chain *chain,
struct nft_stats __percpu *newstats)
{
+ struct nft_stats __percpu *oldstats;
+
if (newstats == NULL)
return;
if (chain->stats) {
- struct nft_stats __percpu *oldstats =
- nft_dereference(chain->stats);
-
+ oldstats = nfnl_dereference(chain->stats, NFNL_SUBSYS_NFTABLES);
rcu_assign_pointer(chain->stats, newstats);
synchronize_rcu();
free_percpu(oldstats);
--
2.11.0
next prev parent reply other threads:[~2018-01-08 20:19 UTC|newest]
Thread overview: 55+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-01-08 20:19 [PATCH 00/52] Netfilter/IPVS updates for net-next Pablo Neira Ayuso
2018-01-08 20:19 ` [PATCH 01/52] netfilter: conntrack: remove nlattr_size pointer from l4proto trackers Pablo Neira Ayuso
2018-01-08 20:19 ` [PATCH 02/52] netfilter: conntrack: constify list of builtin trackers Pablo Neira Ayuso
2018-01-08 20:19 ` [PATCH 03/52] netfilter: conntrack: l4 protocol trackers can be const Pablo Neira Ayuso
2018-01-08 20:19 ` [PATCH 04/52] netfilter: mark expected switch fall-throughs Pablo Neira Ayuso
2018-01-08 20:19 ` [PATCH 05/52] netfilter: conntrack: timeouts can be const Pablo Neira Ayuso
2018-01-08 20:19 ` [PATCH 06/52] netfilter: ipvs: Remove useless ipvsh param of frag_safe_skb_hp Pablo Neira Ayuso
2018-01-08 20:19 ` [PATCH 07/52] netfilter: ipset: use nfnl_mutex_is_locked Pablo Neira Ayuso
2018-01-08 20:19 ` [PATCH 08/52] netfilter: ipset: add resched points during set listing Pablo Neira Ayuso
2018-01-08 20:19 ` [PATCH 09/52] netfilter: nf_conntrack_h323: Remove unwanted comments Pablo Neira Ayuso
2018-01-08 20:19 ` [PATCH 10/52] netfilter: core: make nf_unregister_net_hooks simple wrapper again Pablo Neira Ayuso
2018-01-08 20:19 ` [PATCH 11/52] netfilter: core: remove synchronize_net call if nfqueue is used Pablo Neira Ayuso
2018-01-08 20:19 ` [PATCH 12/52] netfilter: core: free hooks with call_rcu Pablo Neira Ayuso
2018-01-08 20:19 ` [PATCH 13/52] netfilter: reduce size of hook entry point locations Pablo Neira Ayuso
2018-01-08 20:19 ` [PATCH 14/52] netfilter: add defines for arp/decnet max hooks Pablo Neira Ayuso
2018-01-08 20:19 ` [PATCH 15/52] netfilter: reduce hook array sizes to what is needed Pablo Neira Ayuso
2018-01-08 20:19 ` [PATCH 16/52] netfilter: don't allocate space for decnet hooks unless needed Pablo Neira Ayuso
2018-01-08 20:19 ` [PATCH 17/52] netfilter: don't allocate space for arp/bridge " Pablo Neira Ayuso
2018-01-08 20:19 ` [PATCH 18/52] netfilter: reduce NF_MAX_HOOKS define Pablo Neira Ayuso
2018-01-08 20:19 ` [PATCH 19/52] netfilter: xtables: add and use xt_request_find_table_lock Pablo Neira Ayuso
2018-01-08 20:19 ` [PATCH 20/52] netfilter: core: only allow one nat hook per hook point Pablo Neira Ayuso
2018-01-08 20:19 ` [PATCH 21/52] netfilter: nf_tables: reject nat hook registration if prio is before conntrack Pablo Neira Ayuso
2018-01-08 20:19 ` [PATCH 22/52] netfilter: nf_tables_arp: don't set forward chain Pablo Neira Ayuso
2018-01-08 20:19 ` [PATCH 23/52] netfilter: nf_tables: explicit nft_set_pktinfo() call from hook path Pablo Neira Ayuso
2018-01-08 20:19 ` [PATCH 24/52] netfilter: nf_tables: add nft_set_is_anonymous() helper Pablo Neira Ayuso
2018-01-08 20:19 ` [PATCH 25/52] netfilter: core: add nf_remove_net_hook Pablo Neira Ayuso
2018-01-08 20:19 ` [PATCH 26/52] netfilter: core: pass hook number, family and device to nf_find_hook_list() Pablo Neira Ayuso
2018-01-08 20:19 ` [PATCH 27/52] netfilter: core: pass family as parameter to nf_remove_net_hook() Pablo Neira Ayuso
2018-01-08 20:19 ` [PATCH 28/52] netfilter: core: support for NFPROTO_INET hook registration Pablo Neira Ayuso
2018-01-08 20:19 ` [PATCH 29/52] netfilter: nf_tables_inet: don't use multihook infrastructure anymore Pablo Neira Ayuso
2018-01-08 20:19 ` [PATCH 30/52] netfilter: nf_tables: remove multihook chains and families Pablo Neira Ayuso
2018-01-08 20:19 ` [PATCH 31/52] netfilter: nf_tables: remove hooks from family definition Pablo Neira Ayuso
2018-01-08 20:19 ` [PATCH 32/52] netfilter: connlimit: split xt_connlimit into front and backend Pablo Neira Ayuso
2018-01-08 20:19 ` [PATCH 33/52] netfilter: move checksum indirection to struct nf_ipv6_ops Pablo Neira Ayuso
2018-01-08 20:19 ` [PATCH 34/52] netfilter: move checksum_partial " Pablo Neira Ayuso
2018-01-08 20:19 ` [PATCH 35/52] netfilter: remove saveroute indirection in struct nf_afinfo Pablo Neira Ayuso
2018-01-08 20:19 ` [PATCH 36/52] netfilter: move route indirection to struct nf_ipv6_ops Pablo Neira Ayuso
2018-01-08 20:19 ` [PATCH 37/52] netfilter: move reroute " Pablo Neira Ayuso
2018-01-08 20:19 ` [PATCH 38/52] netfilter: remove route_key_size field in struct nf_afinfo Pablo Neira Ayuso
2018-01-08 20:19 ` [PATCH 39/52] netfilter: remove struct nf_afinfo and its helper functions Pablo Neira Ayuso
2018-01-08 20:19 ` [PATCH 40/52] netfilter: meta: secpath support Pablo Neira Ayuso
2018-01-08 20:19 ` [PATCH 41/52] netfilter: remove defensive check on malformed packets from raw sockets Pablo Neira Ayuso
2018-01-08 20:19 ` Pablo Neira Ayuso [this message]
2018-01-08 20:19 ` [PATCH 43/52] netfilter: nf_conntrack: add IPS_OFFLOAD status bit Pablo Neira Ayuso
2018-01-08 20:19 ` [PATCH 44/52] netfilter: nf_tables: add flow table netlink frontend Pablo Neira Ayuso
2018-01-08 20:19 ` [PATCH 45/52] netfilter: add generic flow table infrastructure Pablo Neira Ayuso
2018-01-08 20:19 ` [PATCH 46/52] netfilter: flow table support for IPv4 Pablo Neira Ayuso
2018-01-08 20:19 ` [PATCH 47/52] netfilter: flow table support for IPv6 Pablo Neira Ayuso
2018-01-08 20:19 ` [PATCH 48/52] netfilter: flow table support for the mixed IPv4/IPv6 family Pablo Neira Ayuso
2018-01-08 20:19 ` [PATCH 49/52] netfilter: nf_tables: flow offload expression Pablo Neira Ayuso
2018-01-08 20:19 ` [PATCH 50/52] netfilter: ipset: use swap macro instead of _manually_ swapping values Pablo Neira Ayuso
2018-01-08 20:19 ` [PATCH 51/52] netfilter: ipset: Fix "don't update counters" mode when counters used at the matching Pablo Neira Ayuso
2018-01-08 20:20 ` [PATCH 52/52] netfilter: ipset: Missing nfnl_lock()/nfnl_unlock() is added to ip_set_net_exit() Pablo Neira Ayuso
2018-01-09 1:55 ` [PATCH 00/52] Netfilter/IPVS updates for net-next David Miller
2018-01-09 15:43 ` Pablo Neira Ayuso
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