From: Evgeny Vereshchagin <evvers@ya.ru>
Date: Sun, 13 Mar 2016 23:51:37 +0000 (+0000)
Subject: shared/machine-pool: fix mkfs.btrfs checking
X-Git-Tag: v231~538^2~1
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=c3b0e5ac57f30226cf258d1a555da6c2863d4a45;p=platform%2Fupstream%2Fsystemd.git

shared/machine-pool: fix mkfs.btrfs checking

binary_is_good translates ENOENT to 0
See https://github.com/systemd/systemd/commit/85eca92e#diff-bcad68c477b6651521e880c40b7a9b40R813
---

diff --git a/src/shared/machine-pool.c b/src/shared/machine-pool.c
index f080b84..e0bad03 100644
--- a/src/shared/machine-pool.c
+++ b/src/shared/machine-pool.c
@@ -239,10 +239,8 @@ int setup_machine_directory(uint64_t size, sd_bus_error *error) {
         }
 
         r = mkfs_exists("btrfs");
-        if (r == -ENOENT) {
-                log_debug("mkfs.btrfs is missing, cannot create loopback file for /var/lib/machines.");
-                return 0;
-        }
+        if (r == 0)
+                return sd_bus_error_set_errnof(error, ENOENT, "Cannot set up /var/lib/machines, mkfs.btrfs is missing");
         if (r < 0)
                 return r;