Commit 7a6a2614 authored by Eric Dumazet's avatar Eric Dumazet Committed by Greg Kroah-Hartman
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tcp: annotate lockless access to sk->sk_err 



[ Upstream commit e13ec3da ]

tcp_poll() reads sk->sk_err without socket lock held/owned.

We should used READ_ONCE() here, and update writers
to use WRITE_ONCE().

Signed-off-by: default avatarEric Dumazet <edumazet@google.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
Stable-dep-of: 853c3bd7 ("tcp: fix race in tcp_write_err()")
Signed-off-by: default avatarSasha Levin <sashal@kernel.org>
parent 25eeea5c
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