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net: Add extack to validator_info structs used for address notifier

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Add extack to in_validator_info and in6_validator_info. Update the one
user of each, ipvlan, to return an error message for failures.

Only manual configuration of an address is plumbed in the IPv6 code path.

Signed-off-by: David Ahern <dsahern@gmail.com>
Reviewed-by: Ido Schimmel <idosch@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
David Ahern
2017-10-18 09:56:54 -07:00
committed by David S. Miller
parent ff7883ea60
commit de95e04791
5 changed files with 27 additions and 15 deletions
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include/linux/inetdevice.h
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@@ -154,6 +154,7 @@ struct in_ifaddr {
struct in_validator_info {
__be32 ivi_addr;
struct in_device *ivi_dev;
struct netlink_ext_ack *extack;
};
int register_inetaddr_notifier(struct notifier_block *nb);