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netfilter: constify nf_loginfo structures 

The nf_loginfo structures are only passed as the seventh argument to
nf_log_trace, which is declared as const or stored in a local const
variable.  Thus the nf_loginfo structures themselves can be const.

Done with the help of Coccinelle.

// <smpl>
@r disable optional_qualifier@
identifier i;
position p;
@@
static struct nf_loginfo i@p = { ... };

@ok1@
identifier r.i;
expression list[6] es;
position p;
@@
 nf_log_trace(es,&i@p,...)

@ok2@
identifier r.i;
const struct nf_loginfo *e;
position p;
@@
 e = &i@p

@bad@
position p != {r.p,ok1.p,ok2.p};
identifier r.i;
struct nf_loginfo e;
@@
e@i@p

@depends on !bad disable optional_qualifier@
identifier r.i;
@@
static
+const
 struct nf_loginfo i = { ... };
// </smpl>

Signed-off-by: Julia Lawall <Julia.Lawall@lip6.fr>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
This commit is contained in:
Julia Lawall 2017-08-01 12:48:03 +02:00 committed by Pablo Neira Ayuso
parent 2a04aabf5c
commit 549d2d41c1
7 changed files with 7 additions and 7 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
net/ipv4/netfilter/ip_tables.c
View File

@ -151,7 +151,7 @@ static const char *const comments[] = {
[NF_IP_TRACE_COMMENT_POLICY] = "policy",
};
static struct nf_loginfo trace_loginfo = {
static const struct nf_loginfo trace_loginfo = {
.type = NF_LOG_TYPE_LOG,
.u = {
.log = {

2
net/ipv4/netfilter/nf_log_arp.c
View File

@ -25,7 +25,7 @@
#include <linux/netfilter/xt_LOG.h>
#include <net/netfilter/nf_log.h>
static struct nf_loginfo default_loginfo = {
static const struct nf_loginfo default_loginfo = {
.type = NF_LOG_TYPE_LOG,
.u = {
.log = {

2
net/ipv4/netfilter/nf_log_ipv4.c
View File

@ -24,7 +24,7 @@
#include <linux/netfilter/xt_LOG.h>
#include <net/netfilter/nf_log.h>
static struct nf_loginfo default_loginfo = {
static const struct nf_loginfo default_loginfo = {
.type = NF_LOG_TYPE_LOG,
.u = {
.log = {

2
net/ipv6/netfilter/ip6_tables.c
View File

@ -176,7 +176,7 @@ static const char *const comments[] = {
[NF_IP6_TRACE_COMMENT_POLICY] = "policy",
};
static struct nf_loginfo trace_loginfo = {
static const struct nf_loginfo trace_loginfo = {
.type = NF_LOG_TYPE_LOG,
.u = {
.log = {

2
net/ipv6/netfilter/nf_log_ipv6.c
View File

@ -25,7 +25,7 @@
#include <linux/netfilter/xt_LOG.h>
#include <net/netfilter/nf_log.h>
static struct nf_loginfo default_loginfo = {
static const struct nf_loginfo default_loginfo = {
.type = NF_LOG_TYPE_LOG,
.u = {
.log = {

2
net/netfilter/nf_tables_core.c
View File

@ -29,7 +29,7 @@ static const char *const comments[__NFT_TRACETYPE_MAX] = {
[NFT_TRACETYPE_RULE] = "rule",
};
static struct nf_loginfo trace_loginfo = {
static const struct nf_loginfo trace_loginfo = {
.type = NF_LOG_TYPE_LOG,
.u = {
.log = {

2
net/netfilter/nfnetlink_log.c
View File

@ -606,7 +606,7 @@ __build_packet_message(struct nfnl_log_net *log,
return -1;
}
static struct nf_loginfo default_loginfo = {
static const struct nf_loginfo default_loginfo = {
.type = NF_LOG_TYPE_ULOG,
.u = {
.ulog = {