From 7c3aa258f85d6b193304d89bb295c0dbd5fa94cc Mon Sep 17 00:00:00 2001
From: Dietmar Maurer <dietmar@proxmox.com>
Date: Mon, 8 Jun 2020 07:23:04 +0200
Subject: [PATCH] src/tools/disks/zfs.rs: allow empty zpool list output

---
 src/tools/disks/zfs.rs | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/src/tools/disks/zfs.rs b/src/tools/disks/zfs.rs
index fd23ba19..e5d61fe4 100644
--- a/src/tools/disks/zfs.rs
+++ b/src/tools/disks/zfs.rs
@@ -153,6 +153,9 @@ fn parse_pool_status(i: &str) -> IResult<&str, ZFSPoolStatus> {
 /// Note: This does not reveal any details on how the pool uses the devices, because
 /// the zpool list output format is not really defined...
 pub fn parse_zfs_list(i: &str) -> Result<Vec<ZFSPoolStatus>, Error> {
+    if i.is_empty() {
+        return Ok(Vec::new());
+    }
     match all_consuming(many1(parse_pool_status))(i) {
         Err(nom::Err::Error(err)) |
         Err(nom::Err::Failure(err)) => {