Lift the in_compat_syscall() from the callers instead.
Signed-off-by: Christoph Hellwig <h...@lst.de>
---
include/linux/netfilter/x_tables.h | 2 +-
net/ipv4/netfilter/arp_tables.c | 3 +--
net/ipv4/netfilter/ip_tables.c | 3 +--
net/ipv6/netfilter/ip6_tables.c | 3 +--
net/netfilter/x_tables.c | 9 ++++-----
5 files changed, 8 insertions(+), 12 deletions(-)
diff --git a/include/linux/netfilter/x_tables.h
b/include/linux/netfilter/x_tables.h
index 5da88451853b28..b8b943ee7b8b66 100644
--- a/include/linux/netfilter/x_tables.h
+++ b/include/linux/netfilter/x_tables.h
@@ -302,7 +302,7 @@ int xt_data_to_user(void __user *dst, const void *src,
int usersize, int size, int aligned_size);
void *xt_copy_counters_from_user(const void __user *user, unsigned int len,
- struct xt_counters_info *info, bool compat);
+ struct xt_counters_info *info);
struct xt_counters *xt_counters_alloc(unsigned int counters);
struct xt_table *xt_register_table(struct net *net,
diff --git a/net/ipv4/netfilter/arp_tables.c b/net/ipv4/netfilter/arp_tables.c
index 15807fb4a65f3e..2c8a4dad39d748 100644
--- a/net/ipv4/netfilter/arp_tables.c
+++ b/net/ipv4/netfilter/arp_tables.c
@@ -1008,8 +1008,7 @@ static int do_add_counters(struct net *net, const void
__user *user,
struct arpt_entry *iter;
unsigned int addend;
- paddc = xt_copy_counters_from_user(user, len, &tmp,
- in_compat_syscall());
+ paddc = xt_copy_counters_from_user(user, len, &tmp);
if (IS_ERR(paddc))
return PTR_ERR(paddc);
diff --git a/net/ipv4/netfilter/ip_tables.c b/net/ipv4/netfilter/ip_tables.c
index fbfad38f397949..161901dd1cae7f 100644
--- a/net/ipv4/netfilter/ip_tables.c
+++ b/net/ipv4/netfilter/ip_tables.c
@@ -1163,8 +1163,7 @@ do_add_counters(struct net *net, const void __user *user,
struct ipt_entry *iter;
unsigned int addend;
- paddc = xt_copy_counters_from_user(user, len, &tmp,
- in_compat_syscall());
+ paddc = xt_copy_counters_from_user(user, len, &tmp);
if (IS_ERR(paddc))
return PTR_ERR(paddc);
diff --git a/net/ipv6/netfilter/ip6_tables.c b/net/ipv6/netfilter/ip6_tables.c
index 96c48e91e6c7f7..fd1f8f93123188 100644
--- a/net/ipv6/netfilter/ip6_tables.c
+++ b/net/ipv6/netfilter/ip6_tables.c
@@ -1179,8 +1179,7 @@ do_add_counters(struct net *net, const void __user *user,
unsigned int len)
struct ip6t_entry *iter;
unsigned int addend;
- paddc = xt_copy_counters_from_user(user, len, &tmp,
- in_compat_syscall());
+ paddc = xt_copy_counters_from_user(user, len, &tmp);
if (IS_ERR(paddc))
return PTR_ERR(paddc);
t = xt_find_table_lock(net, AF_INET6, tmp.name);
diff --git a/net/netfilter/x_tables.c b/net/netfilter/x_tables.c
index 99a468be4a59fb..32bab45af7e415 100644
--- a/net/netfilter/x_tables.c
+++ b/net/netfilter/x_tables.c
@@ -1033,15 +1033,14 @@ EXPORT_SYMBOL_GPL(xt_check_target);
* @user: src pointer to userspace memory
* @len: alleged size of userspace memory
* @info: where to store the xt_counters_info metadata
- * @compat: true if we setsockopt call is done by 32bit task on 64bit kernel
*
* Copies counter meta data from @user and stores it in @info.
*
* vmallocs memory to hold the counters, then copies the counter data
* from @user to the new memory and returns a pointer to it.
*
- * If @compat is true, @info gets converted automatically to the 64bit
- * representation.
+ * If called from a compat syscall, @info gets converted automatically to the
+ * 64bit representation.
*
* The metadata associated with the counters is stored in @info.
*
@@ -1049,13 +1048,13 @@ EXPORT_SYMBOL_GPL(xt_check_target);
* If IS_ERR is false, caller has to vfree the pointer.
*/
void *xt_copy_counters_from_user(const void __user *user, unsigned int len,
- struct xt_counters_info *info, bool compat)
+ struct xt_counters_info *info)
{
void *mem;
u64 size;
#ifdef CONFIG_COMPAT
- if (compat) {
+ if (in_compat_syscall()) {
/* structures only differ in size due to alignment */
struct compat_xt_counters_info compat_tmp;
--
2.27.0
