net: sk_{detach|attach}_filter() rcu fixes

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sk_attach_filter() and sk_detach_filter() are run with socket locked.

Use the appropriate rcu_dereference_protected() instead of blocking BH,
and rcu_dereference_bh().
There is no point adding BH prevention and memory barrier.

Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

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Eric Dumazet 2010-09-27 06:07:30 +00:00 • committed by David S. Miller

parent 7fa7cb7109

commit f91ff5b9ff

1 changed files with 4 additions and 6 deletions

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net/core/filter.c

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