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H A Dtcp.cdiff d9b55bf7b6788ec0bd1db1acefbc4feb1399144a Fri Oct 11 05:17:43 CEST 2019 Eric Dumazet <edumazet@google.com> tcp: annotate tp->urg_seq lockless reads

There two places where we fetch tp->urg_seq while
this field can change from IRQ or other cpu.

We need to add READ_ONCE() annotations, and also make
sure write side use corresponding WRITE_ONCE() to avoid
store-tearing.

Signed-off-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
H A Dtcp_input.cdiff d9b55bf7b6788ec0bd1db1acefbc4feb1399144a Fri Oct 11 05:17:43 CEST 2019 Eric Dumazet <edumazet@google.com> tcp: annotate tp->urg_seq lockless reads

There two places where we fetch tp->urg_seq while
this field can change from IRQ or other cpu.

We need to add READ_ONCE() annotations, and also make
sure write side use corresponding WRITE_ONCE() to avoid
store-tearing.

Signed-off-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>