inetpeer: fix RCU lookup()

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Excess of seafood or something happened while I cooked the commit
adding RB tree to inetpeer.

Of course, RCU rules need to be respected or bad things can happen.

In this particular loop, we need to read *pp once per iteration, not
twice.

Fixes: b145425f26 ("inetpeer: remove AVL implementation in favor of RB tree")
Reported-by: John Sperbeck <jsperbeck@google.com>
Signed-off-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

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Eric Dumazet 2017-09-01 14:03:32 -07:00 • committed by David S. Miller

parent bbd9644e84

commit 4cc5b44b29

1 changed files with 6 additions and 3 deletions

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net/ipv4/inetpeer.c

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