netfilter: x_tables: remove obsolete overflow check for compat case too

commit 9e67d5a739327c44885adebb4f3a538050be73e4
("[NETFILTER]: x_tables: remove obsolete overflow check") left the
compat parts alone, but we can kill it there as well.

Signed-off-by: Florian Westphal <fw@strlen.de>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>

3 files changed, 0 insertions, 6 deletions

diff --git a/net/ipv4/netfilter/arp_tables.c b/net/ipv4/netfilter/arp_tables.c
index 705179b0fd23..668c5dcb3a5f 100644
--- a/net/ipv4/netfilter/arp_tables.c
+++ b/net/ipv4/netfilter/arp_tables.c
@@ -1436,8 +1436,6 @@ static int compat_do_replace(struct net *net, void __user *user,
                 return -EFAULT;
 
         /* overflow check */
-        if (tmp.size >= INT_MAX / num_possible_cpus())
-                return -ENOMEM;
         if (tmp.num_counters >= INT_MAX / sizeof(struct xt_counters))
                 return -ENOMEM;
         if (tmp.num_counters == 0)
diff --git a/net/ipv4/netfilter/ip_tables.c b/net/ipv4/netfilter/ip_tables.c
index c26ccd818e8f..4585aa78c4ca 100644
--- a/net/ipv4/netfilter/ip_tables.c
+++ b/net/ipv4/netfilter/ip_tables.c
@@ -1706,8 +1706,6 @@ compat_do_replace(struct net *net, void __user *user, unsigned int len)
                 return -EFAULT;
 
         /* overflow check */
-        if (tmp.size >= INT_MAX / num_possible_cpus())
-                return -ENOMEM;
         if (tmp.num_counters >= INT_MAX / sizeof(struct xt_counters))
                 return -ENOMEM;
         if (tmp.num_counters == 0)
diff --git a/net/ipv6/netfilter/ip6_tables.c b/net/ipv6/netfilter/ip6_tables.c
index f5a4eb2d5084..fd06251f504c 100644
--- a/net/ipv6/netfilter/ip6_tables.c
+++ b/net/ipv6/netfilter/ip6_tables.c
@@ -1709,8 +1709,6 @@ compat_do_replace(struct net *net, void __user *user, unsigned int len)
                 return -EFAULT;
 
         /* overflow check */
-        if (tmp.size >= INT_MAX / num_possible_cpus())
-                return -ENOMEM;
         if (tmp.num_counters >= INT_MAX / sizeof(struct xt_counters))
                 return -ENOMEM;
         if (tmp.num_counters == 0)