diff options
| author | Changli Gao <xiaosuo@gmail.com> | 2010-10-04 22:24:12 +0200 |
|---|---|---|
| committer | Patrick McHardy <kaber@trash.net> | 2010-10-04 22:24:12 +0200 |
| commit | f68c53015c5b9aa98ffd87a34009f89bdbbd7160 (patch) | |
| tree | 93c420dc5f5643125d1bad05398faceeade47416 /net | |
| parent | e55df53dd62c73185af46fb6ffa7074b05ceefc4 (diff) | |
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>
Diffstat (limited to 'net')
| -rw-r--r-- | net/netfilter/core.c | 6 | ||||
| -rw-r--r-- | net/netfilter/x_tables.c | 12 |
2 files changed, 6 insertions, 12 deletions
diff --git a/net/netfilter/core.c b/net/netfilter/core.c index 78b505d33bf..8f014f22d13 100644 --- a/net/netfilter/core.c +++ b/net/netfilter/core.c @@ -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(®[i]); + while (n-- > 0) + nf_unregister_hook(®[n]); } EXPORT_SYMBOL(nf_unregister_hooks); diff --git a/net/netfilter/x_tables.c b/net/netfilter/x_tables.c index e34622fa000..80463507420 100644 --- a/net/netfilter/x_tables.c +++ b/net/netfilter/x_tables.c @@ -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); |