[IPV4] ROUTE: fix rcu_dereference() uses in /proc/net/rt_cache

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In rt_cache_get_next(), no need to guard seq->private by a
rcu_dereference() since seq is private to the thread running this
function. Reading seq.private once (as guaranted bu rcu_dereference())
or several time if compiler really is dumb enough wont change the
result.

But we miss real spots where rcu_dereference() are needed, both in
rt_cache_get_first() and rt_cache_get_next()

Signed-off-by: Eric Dumazet <dada1@cosmosbay.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Signed-off-by: David S. Miller <davem@davemloft.net>

...

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Eric Dumazet 2008-01-10 03:55:57 -08:00 • committed by David S. Miller

parent 9cd4002942

commit 0bcceadceb

1 changed files with 3 additions and 3 deletions

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net/ipv4/route.c

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