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

commit 9e67d5a739
("[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>
hifive-unleashed-5.1
Florian Westphal 2016-04-01 14:17:35 +02:00 committed by Pablo Neira Ayuso
parent 09d9686047
commit 95609155d7
3 changed files with 0 additions and 6 deletions
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2
net/ipv4/netfilter/arp_tables.c
View File

@ -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)

2
net/ipv4/netfilter/ip_tables.c
View File

@ -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)

2
net/ipv6/netfilter/ip6_tables.c
View File

@ -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)