From: Lorenzo Colitti <lore...@google.com> Date: Mon, 8 Aug 2016 16:42:07 +0900
> ping_v6_sendmsg never sets flowi6_oif, so it is not possible to > ping an IPv6 address on a different interface. Instead, it sets > flowi6_iif, which is incorrect but harmless. Also, it returns an > error if a passed-in scope ID doesn't match sk_bound_dev_if. > > Get rid of the error, 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 <lore...@google.com> We should always give sk_bound_dev_if the highest priority. Also, we should amend, not delete, the check against the scope ID in the sockaddr. As explained by YOSHIFUJI Hideaki.
