Files
kernel/include/linux
Florian Westphal af4610c395 netfilter: don't call hooks unless needed
With the previous patches in place, a netns nf_hook_list might be empty,
even if e.g. init_net performs filtering.

Thus change nf_hook_thresh to check the hook_list as well before
initializing hook_state and calling nf_hook_slow().

We still make use of static keys; if no netfilter modules are loaded
list is guaranteed to be empty.

Signed-off-by: Florian Westphal <fw@strlen.de>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
2016-03-02 20:05:26 +01:00
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