From 902b2cc27809531c1198afe4d234fc4edd9391f3 Mon Sep 17 00:00:00 2001
From: Dietmar Maurer <dietmar@proxmox.com>
Date: Tue, 16 Jun 2020 17:51:17 +0200
Subject: [PATCH] src/tools/disks/zfs.rs: simplify code

---
 src/tools/disks/zfs.rs | 7 ++-----
 1 file changed, 2 insertions(+), 5 deletions(-)

diff --git a/src/tools/disks/zfs.rs b/src/tools/disks/zfs.rs
index 79117783..f8591ba1 100644
--- a/src/tools/disks/zfs.rs
+++ b/src/tools/disks/zfs.rs
@@ -11,7 +11,7 @@ use nom::{
     combinator::{map_res, all_consuming, recognize, opt},
     sequence::{preceded, tuple},
     character::complete::{space1, digit1, char, line_ending},
-    multi::{many0, many1},
+    multi::{many0},
 };
 
 use super::*;
@@ -185,10 +185,7 @@ 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) {
+    match all_consuming(many0(parse_pool_status))(i) {
         Err(nom::Err::Error(err)) |
         Err(nom::Err::Failure(err)) => {
             bail!("unable to parse zfs list output - {}", nom::error::convert_error(i, err));