From: Pablo Neira Ayuso <pablo@netfilter.org>
To: netfilter-devel@vger.kernel.org
Cc: davem@davemloft.net, netdev@vger.kernel.org
Subject: [PATCH 02/17] netfilter: conntrack: use shared sysctl constants
Date: Tue, 13 Aug 2019 20:36:46 +0200 [thread overview]
Message-ID: <20190813183701.4002-3-pablo@netfilter.org> (raw)
In-Reply-To: <20190813183701.4002-1-pablo@netfilter.org>
From: Matteo Croce <mcroce@redhat.com>
Use shared sysctl variables for zero and one constants, as in commit
eec4844fae7c ("proc/sysctl: add shared variables for range check")
Fixes: 8f14c99c7eda ("netfilter: conntrack: limit sysctl setting for boolean options")
Signed-off-by: Matteo Croce <mcroce@redhat.com>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
---
net/netfilter/nf_conntrack_standalone.c | 34 ++++++++++++++++-----------------
1 file changed, 16 insertions(+), 18 deletions(-)
diff --git a/net/netfilter/nf_conntrack_standalone.c b/net/netfilter/nf_conntrack_standalone.c
index e0d392cb3075..d97f4ea47cf3 100644
--- a/net/netfilter/nf_conntrack_standalone.c
+++ b/net/netfilter/nf_conntrack_standalone.c
@@ -511,8 +511,6 @@ static void nf_conntrack_standalone_fini_proc(struct net *net)
/* Log invalid packets of a given protocol */
static int log_invalid_proto_min __read_mostly;
static int log_invalid_proto_max __read_mostly = 255;
-static int zero;
-static int one = 1;
/* size the user *wants to set */
static unsigned int nf_conntrack_htable_size_user __read_mostly;
@@ -629,8 +627,8 @@ static struct ctl_table nf_ct_sysctl_table[] = {
.maxlen = sizeof(int),
.mode = 0644,
.proc_handler = proc_dointvec_minmax,
- .extra1 = &zero,
- .extra2 = &one,
+ .extra1 = SYSCTL_ZERO,
+ .extra2 = SYSCTL_ONE,
},
[NF_SYSCTL_CT_LOG_INVALID] = {
.procname = "nf_conntrack_log_invalid",
@@ -654,8 +652,8 @@ static struct ctl_table nf_ct_sysctl_table[] = {
.maxlen = sizeof(int),
.mode = 0644,
.proc_handler = proc_dointvec_minmax,
- .extra1 = &zero,
- .extra2 = &one,
+ .extra1 = SYSCTL_ZERO,
+ .extra2 = SYSCTL_ONE,
},
[NF_SYSCTL_CT_HELPER] = {
.procname = "nf_conntrack_helper",
@@ -663,8 +661,8 @@ static struct ctl_table nf_ct_sysctl_table[] = {
.maxlen = sizeof(int),
.mode = 0644,
.proc_handler = proc_dointvec_minmax,
- .extra1 = &zero,
- .extra2 = &one,
+ .extra1 = SYSCTL_ZERO,
+ .extra2 = SYSCTL_ONE,
},
#ifdef CONFIG_NF_CONNTRACK_EVENTS
[NF_SYSCTL_CT_EVENTS] = {
@@ -673,8 +671,8 @@ static struct ctl_table nf_ct_sysctl_table[] = {
.maxlen = sizeof(int),
.mode = 0644,
.proc_handler = proc_dointvec_minmax,
- .extra1 = &zero,
- .extra2 = &one,
+ .extra1 = SYSCTL_ZERO,
+ .extra2 = SYSCTL_ONE,
},
#endif
#ifdef CONFIG_NF_CONNTRACK_TIMESTAMP
@@ -684,8 +682,8 @@ static struct ctl_table nf_ct_sysctl_table[] = {
.maxlen = sizeof(int),
.mode = 0644,
.proc_handler = proc_dointvec_minmax,
- .extra1 = &zero,
- .extra2 = &one,
+ .extra1 = SYSCTL_ZERO,
+ .extra2 = SYSCTL_ONE,
},
#endif
[NF_SYSCTL_CT_PROTO_TIMEOUT_GENERIC] = {
@@ -759,16 +757,16 @@ static struct ctl_table nf_ct_sysctl_table[] = {
.maxlen = sizeof(int),
.mode = 0644,
.proc_handler = proc_dointvec_minmax,
- .extra1 = &zero,
- .extra2 = &one,
+ .extra1 = SYSCTL_ZERO,
+ .extra2 = SYSCTL_ONE,
},
[NF_SYSCTL_CT_PROTO_TCP_LIBERAL] = {
.procname = "nf_conntrack_tcp_be_liberal",
.maxlen = sizeof(int),
.mode = 0644,
.proc_handler = proc_dointvec_minmax,
- .extra1 = &zero,
- .extra2 = &one,
+ .extra1 = SYSCTL_ZERO,
+ .extra2 = SYSCTL_ONE,
},
[NF_SYSCTL_CT_PROTO_TCP_MAX_RETRANS] = {
.procname = "nf_conntrack_tcp_max_retrans",
@@ -904,8 +902,8 @@ static struct ctl_table nf_ct_sysctl_table[] = {
.maxlen = sizeof(int),
.mode = 0644,
.proc_handler = proc_dointvec_minmax,
- .extra1 = &zero,
- .extra2 = &one,
+ .extra1 = SYSCTL_ZERO,
+ .extra2 = SYSCTL_ONE,
},
#endif
#ifdef CONFIG_NF_CT_PROTO_GRE
--
2.11.0
next prev parent reply other threads:[~2019-08-13 18:37 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-08-13 18:36 [PATCH 00/17] Netfilter/IPVS updates for net-next Pablo Neira Ayuso
2019-08-13 18:36 ` [PATCH 01/17] netfilter: synproxy: rename mss synproxy_options field Pablo Neira Ayuso
2019-08-13 18:36 ` Pablo Neira Ayuso [this message]
2019-08-13 18:36 ` [PATCH 03/17] ipvs: Improve robustness to the ipvs sysctl Pablo Neira Ayuso
2019-08-13 18:36 ` [PATCH 04/17] netfilter: remove unnecessary spaces Pablo Neira Ayuso
2019-08-13 18:36 ` [PATCH 05/17] netfilter: nft_bitwise: add offload support Pablo Neira Ayuso
2019-08-13 18:36 ` [PATCH 06/17] netfilter: nf_tables: store data in offload context registers Pablo Neira Ayuso
2019-08-13 18:36 ` [PATCH 07/17] netfilter: inline four headers files into another one Pablo Neira Ayuso
2019-08-13 18:36 ` [PATCH 08/17] netfilter: add missing includes to a number of header-files Pablo Neira Ayuso
2019-08-13 18:36 ` [PATCH 09/17] netfilter: add missing IS_ENABLED(CONFIG_BRIDGE_NETFILTER) checks to header-file Pablo Neira Ayuso
2019-08-14 1:44 ` [PATCH 00/17] Netfilter/IPVS updates for net-next Jakub Kicinski
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