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authorJan Engelhardt <jengelh@medozas.de>2009-06-26 08:23:19 +0200
committerJan Engelhardt <jengelh@medozas.de>2010-02-15 16:59:28 +0100
commit739674fb7febf116e7d647031fab16989a08a965 (patch)
treeb2b0bcde6aa93dfc7a9811da7805affcef225a2a /net/netfilter
parentb402405d71beed8e4df354844353f66b4e18269f (diff)
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netfilter: xtables: constify args in compat copying functions
Signed-off-by: Jan Engelhardt <jengelh@medozas.de>
Diffstat (limited to 'net/netfilter')
-rw-r--r--net/netfilter/x_tables.c8
-rw-r--r--net/netfilter/xt_hashlimit.c4
-rw-r--r--net/netfilter/xt_limit.c4
3 files changed, 8 insertions, 8 deletions
diff --git a/net/netfilter/x_tables.c b/net/netfilter/x_tables.c
index 1250319..69c5628 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 017c959..e47fb80 100644
--- a/net/netfilter/xt_hashlimit.c
+++ b/net/netfilter/xt_hashlimit.c
@@ -775,7 +775,7 @@ 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);
@@ -783,7 +783,7 @@ 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 2773be6..a0ca533 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 = {