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[NETFILTER]: x_tables: remove obsolete overflow check

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We're not multiplying the size with the number of CPUs anymore, so the
check is obsolete.

Signed-off-by: Patrick McHardy <kaber@trash.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Patrick McHardy 2007-12-04 23:25:26 -08:00 committed by David S. Miller
parent 259d4e41f3
commit 9e67d5a739
3 changed files with 0 additions and 6 deletions
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2
net/ipv4/netfilter/arp_tables.c
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@ -811,8 +811,6 @@ static int do_replace(void __user *user, unsigned int len)
return -ENOPROTOOPT; return -ENOPROTOOPT;
/* overflow check */ /* overflow check */
if (tmp.size >= INT_MAX / num_possible_cpus())
return -ENOMEM;
if (tmp.num_counters >= INT_MAX / sizeof(struct xt_counters)) if (tmp.num_counters >= INT_MAX / sizeof(struct xt_counters))
return -ENOMEM; return -ENOMEM;

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

@ -1323,8 +1323,6 @@ do_replace(void __user *user, unsigned int len)
return -ENOPROTOOPT; return -ENOPROTOOPT;
/* overflow check */ /* overflow check */
if (tmp.size >= INT_MAX / num_possible_cpus())
return -ENOMEM;
if (tmp.num_counters >= INT_MAX / sizeof(struct xt_counters)) if (tmp.num_counters >= INT_MAX / sizeof(struct xt_counters))
return -ENOMEM; return -ENOMEM;

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

@ -1042,8 +1042,6 @@ do_replace(void __user *user, unsigned int len)
return -EFAULT; return -EFAULT;
/* overflow check */ /* overflow check */
if (tmp.size >= INT_MAX / num_possible_cpus())
return -ENOMEM;
if (tmp.num_counters >= INT_MAX / sizeof(struct xt_counters)) if (tmp.num_counters >= INT_MAX / sizeof(struct xt_counters))
return -ENOMEM; return -ENOMEM;