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netfilter: fix ebtables compat support

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commit 255d0dc340 (netfilter: x_table: speedup compat operations)
made ebtables not working anymore.

1) xt_compat_calc_jump() is not an exact match lookup
2) compat_table_info() has a typo in xt_compat_init_offsets() call
3) compat_do_replace() misses a xt_compat_init_offsets() call

Reported-by: dann frazier <dannf@dannf.org>
Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com>
Signed-off-by: Patrick McHardy <kaber@trash.net>
This commit is contained in:
Eric Dumazet
2011-04-21 10:57:21 +02:00
committed by Pablo Neira Ayuso
parent 315c34dae0
commit 5a6351eecf
2 changed files with 4 additions and 3 deletions
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3
net/bridge/netfilter/ebtables.c
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@@ -1766,7 +1766,7 @@ static int compat_table_info(const struct ebt_table_info *info,
newinfo->entries_size = size;
xt_compat_init_offsets(AF_INET, info->nentries);
xt_compat_init_offsets(NFPROTO_BRIDGE, info->nentries);
return EBT_ENTRY_ITERATE(entries, size, compat_calc_entry, info,
entries, newinfo);
}
@@ -2240,6 +2240,7 @@ static int compat_do_replace(struct net *net, void __user *user,
xt_compat_lock(NFPROTO_BRIDGE);
xt_compat_init_offsets(NFPROTO_BRIDGE, tmp.nentries);
ret = compat_copy_entries(entries_tmp, tmp.entries_size, &state);
if (ret < 0)
goto out_unlock;