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authorEric Dumazet <edumazet@google.com>2019-04-23 04:35:01 +0300
committerDavid S. Miller <davem@davemloft.net>2019-04-24 03:19:48 +0300
commitb0270550229b3efeadfcac1cf04415dfea27915e (patch)
tree7ab580f7899eddeeb9351f3249271a2d753fba5a /net/ipv6
parent20eb08b2b06bf1cf5e5dda2e5212db893c3e8ffe (diff)
downloadlinux-b0270550229b3efeadfcac1cf04415dfea27915e.tar.xz
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>
Diffstat (limited to 'net/ipv6')
-rw-r--r--net/ipv6/ip6_fib.c5
1 files changed, 1 insertions, 4 deletions
diff --git a/net/ipv6/ip6_fib.c b/net/ipv6/ip6_fib.c
index b47e15df9769..551938591529 100644
--- a/net/ipv6/ip6_fib.c
+++ b/net/ipv6/ip6_fib.c
@@ -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;