ipv6: properly check return value in inet6_dump_all()
Make sure we call fib6_dump_end() if it happens that skb->len is zero. rtnl_dump_all() can reset cb->args on the next loop iteration there. Fixes: 08e814c9 ("net/ipv6: Bail early if user only wants cloned entries") Fixes: ae677bbb ("net: Don't return invalid table id error when dumping all families") Signed-off-by: Alexey Kodanev <alexey.kodanev@oracle.com> Signed-off-by: David S. Miller <davem@davemloft.net>
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