From: Xin Long <lucien....@gmail.com>
Date: Mon, 17 Aug 2020 14:30:49 +0800
> This patch is to do 3 things for ipv6_dev_find():
>
> As David A. noticed,
>
> - rt6_lookup() is not really needed. Different from __ip_dev_find(),
> ipv6_dev_find() doesn't have a compatibility problem, so remove it.
>
> As Hideaki suggested,
>
> - "valid" (non-tentative) check for the address is also needed.
> ipv6_chk_addr() calls ipv6_chk_addr_and_flags(), which will
> traverse the address hash list, but it's heavy to be called
> inside ipv6_dev_find(). This patch is to reuse the code of
> ipv6_chk_addr_and_flags() for ipv6_dev_find().
>
> - dev parameter is passed into ipv6_dev_find(), as link-local
> addresses from user space has sin6_scope_id set and the dev
> lookup needs it.
>
> Fixes: 81f6cb31222d ("ipv6: add ipv6_dev_find()")
> Suggested-by: YOSHIFUJI Hideaki <hideaki.yoshif...@miraclelinux.com>
> Reported-by: David Ahern <dsah...@gmail.com>
> Signed-off-by: Xin Long <lucien....@gmail.com>
Applied, thank you.
