netlink: add NLA_MIN_LEN

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Rather than using NLA_UNSPEC for this type of thing, use NLA_MIN_LEN
so we can make NLA_UNSPEC be NLA_REJECT under certain conditions for
future attributes.

While at it, also use NLA_EXACT_LEN for the struct example.

Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

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Johannes Berg 2019-04-26 14:07:27 +02:00 • committed by David S. Miller

parent f6ad55a6a1

commit 6f455f5f4e

2 changed files with 13 additions and 2 deletions

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lib/nlattr.c

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