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Date: Mon, 01 Apr 2019 18:11:05 -0700 (PDT) From: David Miller <davem@...emloft.net> To: lucien.xin@...il.com Cc: netdev@...r.kernel.org, edumazet@...gle.com Subject: Re: [PATCHv2 net-next] net: use rcu_dereference_protected to fetch sk_dst_cache in sk_destruct From: Xin Long <lucien.xin@...il.com> Date: Sun, 31 Mar 2019 17:03:02 +0800 > As Eric noticed, in .sk_destruct, sk->sk_dst_cache update is prevented, and > no barrier is needed for this. So change to use rcu_dereference_protected() > instead of rcu_dereference_check() to fetch sk_dst_cache in there. > > v1->v2: > - no change, repost after net-next is open. > > Reported-by: Eric Dumazet <edumazet@...gle.com> > Signed-off-by: Xin Long <lucien.xin@...il.com> Applied, thanks.
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