From: Jan Engelhardt <jengelh@medozas.de>
To: kaber@trash.net
Cc: netfilter-devel@vger.kernel.org
Subject: [PATCH 5/6] netfilter: xtables: constify args in compat copying functions
Date: Tue, 3 Nov 2009 19:04:41 +0100 [thread overview]
Message-ID: <1257271483-26772-6-git-send-email-jengelh@medozas.de> (raw)
In-Reply-To: <1257271483-26772-1-git-send-email-jengelh@medozas.de>
Signed-off-by: Jan Engelhardt <jengelh@medozas.de>
---
include/linux/netfilter/x_tables.h | 12 ++++++------
net/ipv4/netfilter/arp_tables.c | 4 ++--
net/ipv4/netfilter/ip_tables.c | 4 ++--
net/ipv4/netfilter/ipt_ULOG.c | 4 ++--
net/ipv6/netfilter/ip6_tables.c | 4 ++--
net/netfilter/x_tables.c | 8 ++++----
net/netfilter/xt_hashlimit.c | 4 ++--
net/netfilter/xt_limit.c | 4 ++--
8 files changed, 22 insertions(+), 22 deletions(-)
diff --git a/include/linux/netfilter/x_tables.h b/include/linux/netfilter/x_tables.h
index db92d8e..ebec4a5 100644
--- a/include/linux/netfilter/x_tables.h
+++ b/include/linux/netfilter/x_tables.h
@@ -291,8 +291,8 @@ struct xt_match
void (*destroy)(const struct xt_mtdtor_param *);
/* Called when userspace align differs from kernel space one */
- void (*compat_from_user)(void *dst, void *src);
- int (*compat_to_user)(void __user *dst, void *src);
+ void (*compat_from_user)(void *dst, const void *src);
+ int (*compat_to_user)(void __user *dst, const void *src);
/* Set this to THIS_MODULE if you are a module, otherwise NULL */
struct module *me;
@@ -332,8 +332,8 @@ struct xt_target
void (*destroy)(const struct xt_tgdtor_param *);
/* Called when userspace align differs from kernel space one */
- void (*compat_from_user)(void *dst, void *src);
- int (*compat_to_user)(void __user *dst, void *src);
+ void (*compat_from_user)(void *dst, const void *src);
+ int (*compat_to_user)(void __user *dst, const void *src);
/* Set this to THIS_MODULE if you are a module, otherwise NULL */
struct module *me;
@@ -600,13 +600,13 @@ extern short xt_compat_calc_jump(u_int8_t af, unsigned int offset);
extern int xt_compat_match_offset(const struct xt_match *match);
extern int xt_compat_match_from_user(struct xt_entry_match *m,
void **dstptr, unsigned int *size);
-extern int xt_compat_match_to_user(struct xt_entry_match *m,
+extern int xt_compat_match_to_user(const struct xt_entry_match *m,
void __user **dstptr, unsigned int *size);
extern int xt_compat_target_offset(const struct xt_target *target);
extern void xt_compat_target_from_user(struct xt_entry_target *t,
void **dstptr, unsigned int *size);
-extern int xt_compat_target_to_user(struct xt_entry_target *t,
+extern int xt_compat_target_to_user(const struct xt_entry_target *t,
void __user **dstptr, unsigned int *size);
#endif /* CONFIG_COMPAT */
diff --git a/net/ipv4/netfilter/arp_tables.c b/net/ipv4/netfilter/arp_tables.c
index f5aa65d..52c96b3 100644
--- a/net/ipv4/netfilter/arp_tables.c
+++ b/net/ipv4/netfilter/arp_tables.c
@@ -842,7 +842,7 @@ static int copy_entries_to_user(unsigned int total_size,
}
#ifdef CONFIG_COMPAT
-static void compat_standard_from_user(void *dst, void *src)
+static void compat_standard_from_user(void *dst, const void *src)
{
int v = *(compat_int_t *)src;
@@ -851,7 +851,7 @@ static void compat_standard_from_user(void *dst, void *src)
memcpy(dst, &v, sizeof(v));
}
-static int compat_standard_to_user(void __user *dst, void *src)
+static int compat_standard_to_user(void __user *dst, const void *src)
{
compat_int_t cv = *(int *)src;
diff --git a/net/ipv4/netfilter/ip_tables.c b/net/ipv4/netfilter/ip_tables.c
index f2f6552..3e355fe 100644
--- a/net/ipv4/netfilter/ip_tables.c
+++ b/net/ipv4/netfilter/ip_tables.c
@@ -1042,7 +1042,7 @@ copy_entries_to_user(unsigned int total_size,
}
#ifdef CONFIG_COMPAT
-static void compat_standard_from_user(void *dst, void *src)
+static void compat_standard_from_user(void *dst, const void *src)
{
int v = *(compat_int_t *)src;
@@ -1051,7 +1051,7 @@ static void compat_standard_from_user(void *dst, void *src)
memcpy(dst, &v, sizeof(v));
}
-static int compat_standard_to_user(void __user *dst, void *src)
+static int compat_standard_to_user(void __user *dst, const void *src)
{
compat_int_t cv = *(int *)src;
diff --git a/net/ipv4/netfilter/ipt_ULOG.c b/net/ipv4/netfilter/ipt_ULOG.c
index d32cc4b..0b02768 100644
--- a/net/ipv4/netfilter/ipt_ULOG.c
+++ b/net/ipv4/netfilter/ipt_ULOG.c
@@ -338,7 +338,7 @@ struct compat_ipt_ulog_info {
char prefix[ULOG_PREFIX_LEN];
};
-static void ulog_tg_compat_from_user(void *dst, void *src)
+static void ulog_tg_compat_from_user(void *dst, const void *src)
{
const struct compat_ipt_ulog_info *cl = src;
struct ipt_ulog_info l = {
@@ -351,7 +351,7 @@ static void ulog_tg_compat_from_user(void *dst, void *src)
memcpy(dst, &l, sizeof(l));
}
-static int ulog_tg_compat_to_user(void __user *dst, void *src)
+static int ulog_tg_compat_to_user(void __user *dst, const void *src)
{
const struct ipt_ulog_info *l = src;
struct compat_ipt_ulog_info cl = {
diff --git a/net/ipv6/netfilter/ip6_tables.c b/net/ipv6/netfilter/ip6_tables.c
index b311d87..07efff1 100644
--- a/net/ipv6/netfilter/ip6_tables.c
+++ b/net/ipv6/netfilter/ip6_tables.c
@@ -1074,7 +1074,7 @@ copy_entries_to_user(unsigned int total_size,
}
#ifdef CONFIG_COMPAT
-static void compat_standard_from_user(void *dst, void *src)
+static void compat_standard_from_user(void *dst, const void *src)
{
int v = *(compat_int_t *)src;
@@ -1083,7 +1083,7 @@ static void compat_standard_from_user(void *dst, void *src)
memcpy(dst, &v, sizeof(v));
}
-static int compat_standard_to_user(void __user *dst, void *src)
+static int compat_standard_to_user(void __user *dst, const void *src)
{
compat_int_t cv = *(int *)src;
diff --git a/net/netfilter/x_tables.c b/net/netfilter/x_tables.c
index c8845d1..dbfc32d 100644
--- a/net/netfilter/x_tables.c
+++ b/net/netfilter/x_tables.c
@@ -485,8 +485,8 @@ int xt_compat_match_from_user(struct xt_entry_match *m, void **dstptr,
}
EXPORT_SYMBOL_GPL(xt_compat_match_from_user);
-int xt_compat_match_to_user(struct xt_entry_match *m, void __user **dstptr,
- unsigned int *size)
+int xt_compat_match_to_user(const struct xt_entry_match *m,
+ void __user **dstptr, unsigned int *size)
{
const struct xt_match *match = m->u.kernel.match;
struct compat_xt_entry_match __user *cm = *dstptr;
@@ -588,8 +588,8 @@ void xt_compat_target_from_user(struct xt_entry_target *t, void **dstptr,
}
EXPORT_SYMBOL_GPL(xt_compat_target_from_user);
-int xt_compat_target_to_user(struct xt_entry_target *t, void __user **dstptr,
- unsigned int *size)
+int xt_compat_target_to_user(const struct xt_entry_target *t,
+ void __user **dstptr, unsigned int *size)
{
const struct xt_target *target = t->u.kernel.target;
struct compat_xt_entry_target __user *ct = *dstptr;
diff --git a/net/netfilter/xt_hashlimit.c b/net/netfilter/xt_hashlimit.c
index dd16e40..abba093 100644
--- a/net/netfilter/xt_hashlimit.c
+++ b/net/netfilter/xt_hashlimit.c
@@ -767,7 +767,7 @@ struct compat_xt_hashlimit_info {
compat_uptr_t master;
};
-static void hashlimit_mt_compat_from_user(void *dst, void *src)
+static void hashlimit_mt_compat_from_user(void *dst, const void *src)
{
int off = offsetof(struct compat_xt_hashlimit_info, hinfo);
@@ -775,7 +775,7 @@ static void hashlimit_mt_compat_from_user(void *dst, void *src)
memset(dst + off, 0, sizeof(struct compat_xt_hashlimit_info) - off);
}
-static int hashlimit_mt_compat_to_user(void __user *dst, void *src)
+static int hashlimit_mt_compat_to_user(void __user *dst, const void *src)
{
int off = offsetof(struct compat_xt_hashlimit_info, hinfo);
diff --git a/net/netfilter/xt_limit.c b/net/netfilter/xt_limit.c
index 2e8089e..dad26f9 100644
--- a/net/netfilter/xt_limit.c
+++ b/net/netfilter/xt_limit.c
@@ -148,7 +148,7 @@ struct compat_xt_rateinfo {
/* To keep the full "prev" timestamp, the upper 32 bits are stored in the
* master pointer, which does not need to be preserved. */
-static void limit_mt_compat_from_user(void *dst, void *src)
+static void limit_mt_compat_from_user(void *dst, const void *src)
{
const struct compat_xt_rateinfo *cm = src;
struct xt_rateinfo m = {
@@ -162,7 +162,7 @@ static void limit_mt_compat_from_user(void *dst, void *src)
memcpy(dst, &m, sizeof(m));
}
-static int limit_mt_compat_to_user(void __user *dst, void *src)
+static int limit_mt_compat_to_user(void __user *dst, const void *src)
{
const struct xt_rateinfo *m = src;
struct compat_xt_rateinfo cm = {
--
1.6.5.2
next prev parent reply other threads:[~2009-11-03 18:04 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-11-03 18:04 Xtables cleanup patches Jan Engelhardt
2009-11-03 18:04 ` [PATCH 1/6] netfilter: iptables: remove unused function arguments Jan Engelhardt
2009-11-03 18:04 ` [PATCH 2/6] netfilter: reduce NF_HOOK by one argument Jan Engelhardt
2009-11-03 18:04 ` [PATCH 3/6] netfilter: get rid of the grossness in netfilter.h Jan Engelhardt
2009-11-04 7:59 ` Changli Gao
2009-11-04 12:28 ` Jan Engelhardt
2009-11-03 18:04 ` [PATCH 4/6] netfilter: xtables: print details on size mismatch Jan Engelhardt
2009-11-03 18:04 ` Jan Engelhardt [this message]
2009-11-03 18:04 ` [PATCH 6/6] netfilter: xtables: add const qualifiers Jan Engelhardt
2009-11-03 18:27 ` Xtables cleanup patches Patrick McHardy
2009-11-04 22:35 ` Jan Engelhardt
-- strict thread matches above, loose matches on Subject: below --
2010-02-10 17:39 Code cleanups Jan Engelhardt
2010-02-10 17:39 ` [PATCH 5/6] netfilter: xtables: constify args in compat copying functions Jan Engelhardt
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