tree cb33c294e74dcfa9901a5a91f4028c1de00ea804
parent c6262a46286debd20a9ad7b24f1b062511ddd3a9
author William A. Kennington III <wak@google.com> 1736287355 -0800
committer William A. Kennington III <wak@google.com> 1736289731 -0800

fd: mmap: Don't use null span

We aren't allowed to use a null span with positive size, change the
internal interfaces to avoid it.

Change-Id: I6687d45a535c20b72f42a99e1ecdbd89f3796f99
Signed-off-by: William A. Kennington III <wak@google.com>