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Pablo Neira Ayuso authored
On device updates, the hooknum and priority attributes are not required. This patch makes optional these two netlink attributes. Moreover, bail out with EOPNOTSUPP if userspace tries to update the hooknum and priority for existing flowtables. While at this, turn EINVAL into EOPNOTSUPP in case the hooknum is not ingress. EINVAL is reserved for missing netlink attribute / malformed netlink messages. Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
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