sunrpc: simplify xdr_shrink_pagelen use of "copy"

The "copy" variable value can be computed using the existing
logic rather than repeating it.

Signed-off-by: Benny Halevy <bhalevy@panasas.com>
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
1 file changed