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ipv6: fib6_info_destroy_rcu() cleanup 

We do not need to clear f6i->rt6i_exception_bucket right before
freeing f6i.

Note that f6i->rt6i_exception_bucket is properly protected by
f6i->exception_bucket_flushed being set to one in rt6_flush_exceptions()
under the protection of rt6_exception_lock.

Signed-off-by: Eric Dumazet <edumazet@google.com>
Cc: Wei Wang <weiwan@google.com>
Acked-by: Wei Wang <weiwan@google.com>
Reviewed-by: David Ahern <dsahern@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Eric Dumazet 2019-04-22 18:35:01 -07:00 committed by David S. Miller
parent 20eb08b2b0
commit b027055022
1 changed files with 1 additions and 4 deletions
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5
net/ipv6/ip6_fib.c
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@ -175,10 +175,7 @@ void fib6_info_destroy_rcu(struct rcu_head *head)
WARN_ON(f6i->fib6_node);
bucket = rcu_dereference_protected(f6i->rt6i_exception_bucket, 1);
if (bucket) {
f6i->rt6i_exception_bucket = NULL;
kfree(bucket);
}
kfree(bucket);
if (f6i->rt6i_pcpu) {
int cpu;