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netfilter: unregister nf hooks, matches and targets in the reverse order 

Since we register nf hooks, matches and targets in order, we'd better
unregister them in the reverse order.

Signed-off-by: Changli Gao <xiaosuo@gmail.com>
Signed-off-by: Patrick McHardy <kaber@trash.net>
wifi-calibration
Changli Gao 2010-10-04 22:24:12 +02:00 committed by Patrick McHardy
parent e55df53dd6
commit f68c53015c
2 changed files with 6 additions and 12 deletions
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6
net/netfilter/core.c
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@ -105,10 +105,8 @@ EXPORT_SYMBOL(nf_register_hooks);
void nf_unregister_hooks(struct nf_hook_ops *reg, unsigned int n)
{
unsigned int i;
for (i = 0; i < n; i++)
nf_unregister_hook(&reg[i]);
while (n-- > 0)
nf_unregister_hook(&reg[n]);
}
EXPORT_SYMBOL(nf_unregister_hooks);

12
net/netfilter/x_tables.c
View File

@ -116,10 +116,8 @@ EXPORT_SYMBOL(xt_register_targets);
void
xt_unregister_targets(struct xt_target *target, unsigned int n)
{
unsigned int i;
for (i = 0; i < n; i++)
xt_unregister_target(&target[i]);
while (n-- > 0)
xt_unregister_target(&target[n]);
}
EXPORT_SYMBOL(xt_unregister_targets);
@ -174,10 +172,8 @@ EXPORT_SYMBOL(xt_register_matches);
void
xt_unregister_matches(struct xt_match *match, unsigned int n)
{
unsigned int i;
for (i = 0; i < n; i++)
xt_unregister_match(&match[i]);
while (n-- > 0)
xt_unregister_match(&match[n]);
}
EXPORT_SYMBOL(xt_unregister_matches);