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bb3c36863e
After commit 8e2ec639173f325977818c45011ee176ef2b11f6 ("ipv6: don't use inetpeer to store metrics for routes.") the test in rt6_alloc_cow() for setting the ANYCAST flag is now wrong. 'rt' will always now have a plen of 128, because it is set explicitly to 128 by ip6_rt_copy. So to restore the semantics of the test, check the destination prefix length of 'ort'. Signed-off-by: David S. Miller <davem@davemloft.net>