This patch replaces most of the other uses of dst_pmtu with dst_mtu.
As far as I can tell these are either identical because dst->path == dst,
or they're a straightforward replacement of (the slightly incorrect)
dst_pmtu(dst) - dst->header_Len with dst_mtu(dst).
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Signed-off-by: David S. Miller <davem@davemloft.net>