SUNRPC: _copy_to/from_pages() now check for zero length

Clean up callers of _copy_to/from_pages() that still check for a zero
length.

Signed-off-by: Trond Myklebust <trond.myklebust@hammerspace.com>
This commit is contained in:
Trond Myklebust 2020-12-06 12:41:41 -05:00
commit e43ac22b83