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authorChristoph Hellwig <hch@lst.de>2020-07-17 08:23:21 +0200
committerDavid S. Miller <davem@davemloft.net>2020-07-19 18:16:40 -0700
commitc34bc10d2535719ddf77d44ee849f6c7589583ba (patch)
treefdc4fc6e1dced7ed755e0b81245c17f8c9b47f44 /net
parent77d4df41d53e5c2af14db26f20fe50da52e382ba (diff)
downloadlinux-c34bc10d2535719ddf77d44ee849f6c7589583ba.tar.bz2
netfilter: remove the compat argument to xt_copy_counters_from_user
Lift the in_compat_syscall() from the callers instead. Signed-off-by: Christoph Hellwig <hch@lst.de> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net')
-rw-r--r--net/ipv4/netfilter/arp_tables.c3
-rw-r--r--net/ipv4/netfilter/ip_tables.c3
-rw-r--r--net/ipv6/netfilter/ip6_tables.c3
-rw-r--r--net/netfilter/x_tables.c9
4 files changed, 7 insertions, 11 deletions
diff --git a/net/ipv4/netfilter/arp_tables.c b/net/ipv4/netfilter/arp_tables.c
index 15807fb4a65f..2c8a4dad39d7 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 fbfad38f3979..161901dd1cae 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 96c48e91e6c7..fd1f8f931231 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 99a468be4a59..32bab45af7e4 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;