Florian Westphal <fw@xxxxxxxxx> writes:
> kernel test robot reported:
>
> WARNING: CPU: 0 PID: 1244 at net/netfilter/core.c:218 __nf_hook_entries_try_shrink+0x49/0xcd
> [..]
>
> After allowing batching in nf_unregister_net_hooks its possible that an earlier
> call to __nf_hook_entries_try_shrink already compacted the list.
> If this happens we don't need to do anything.
>
> Fixes: d3ad2c17b4047 ("netfilter: core: batch nf_unregister_net_hooks synchronize_net calls")
> Reported-by: kernel test robot <xiaolong.ye@xxxxxxxxx>
> Signed-off-by: Florian Westphal <fw@xxxxxxxxx>
> ---
Acked-by: Aaron Conole <aconole@xxxxxxxxxx>
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