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authorXin Long <lucien.xin@gmail.com>2020-08-17 14:30:49 +0800
committerDavid S. Miller <davem@davemloft.net>2020-08-18 15:58:53 -0700
commit4ef1a7cb08e94da1f2f2a34ee6cefe7ae142dc98 (patch)
tree730748995d08ea86e62673462e06c2beff9ad6fa /net/ethtool
parent0410d07190961ac526f05085765a8d04d926545b (diff)
downloadlinux-4ef1a7cb08e94da1f2f2a34ee6cefe7ae142dc98.tar.bz2
ipv6: some fixes for ipv6_dev_find()
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.yoshifuji@miraclelinux.com> Reported-by: David Ahern <dsahern@gmail.com> Signed-off-by: Xin Long <lucien.xin@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
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