From: Yu Watanabe <watanabe.yu+github@gmail.com>
Date: Thu, 18 Jun 2020 04:48:44 +0000 (+0900)
Subject: udev: fix error handling of sd_device_get_parent()
X-Git-Tag: v246-rc1~137^2~1
X-Git-Url: http://git.ipfire.org/gitweb.cgi?a=commitdiff_plain;h=bc568a7a35f04cb052eadcd068e14fe60f6a5c0d;p=thirdparty%2Fsystemd.git

udev: fix error handling of sd_device_get_parent()

sd_device_get_parent() returns -EINVAL or -ENOENT on error, not -ENODEV.

Fixes #16207.
---

diff --git a/src/udev/udev-event.c b/src/udev/udev-event.c
index e1c3e430eaa..309cfebc8d2 100644
--- a/src/udev/udev-event.c
+++ b/src/udev/udev-event.c
@@ -370,7 +370,7 @@ static ssize_t udev_event_subst_format(
         }
         case FORMAT_SUBST_PARENT:
                 r = sd_device_get_parent(dev, &parent);
-                if (r == -ENODEV)
+                if (r == -ENOENT)
                         goto null_terminate;
                 if (r < 0)
                         return r;