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由 Lorenzo Colitti 提交于
ping_v6_sendmsg does not set flowi6_oif in response to sin6_scope_id or sk_bound_dev_if, so it is not possible to use these APIs to ping an IPv6 address on a different interface. Instead, it sets flowi6_iif, which is incorrect but harmless. Stop setting flowi6_iif, and support various ways of setting oif in the same priority order used by udpv6_sendmsg. Tested: https://android-review.googlesource.com/#/c/254470/Signed-off-by: NLorenzo Colitti <lorenzo@google.com> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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