net: ipv6: Fix ping to link-local addresses.

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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: Lorenzo Colitti <lorenzo@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

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Lorenzo Colitti 2016-08-13 01:13:38 +09:00 • committed by David S. Miller

parent 12311959ec

commit 5e45789698

1 changed files with 17 additions and 16 deletions

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net/ipv6/ping.c

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