netfilter: nft_rbtree: fix locking

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Fix a race condition and unnecessary locking:

* the root rb_node must only be accessed under the lock in nft_rbtree_lookup()
* the lock is not needed in lookup functions in netlink context

Signed-off-by: Patrick McHardy <kaber@trash.net>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>

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Patrick McHardy 2015-03-21 15:19:14 +00:00 • committed by Pablo Neira Ayuso

parent 8d0451638a

commit 16c45eda96

1 changed files with 2 additions and 4 deletions

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net/netfilter/nft_rbtree.c

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