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Alexey Dobriyan authored
Helper's ->help hook can run concurrently with itself, so iterating over SIP helpers with static pointer won't work reliably. Signed-off-by:
Alexey Dobriyan <adobriyan@gmail.com> Signed-off-by:
Patrick McHardy <kaber@trash.net> Signed-off-by:
David S. Miller <davem@davemloft.net>
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