From: Yu Watanabe <watanabe.yu+github@gmail.com>
Date: Tue, 8 Jan 2019 17:46:03 +0000 (+0900)
Subject: udev-node: make link_find_prioritized() return negative value when nothing found
X-Git-Tag: archive/raspbian/240-4+rpi1^2~41
X-Git-Url: https://dgit.raspbian.org/?a=commitdiff_plain;h=7b6444098e5c209dade19430647f2b6e222020fe;p=systemd.git

udev-node: make link_find_prioritized() return negative value when nothing found

Fixes a bug introduced by a2554acec652fc65c8ed0c6c1fede9ba8c3693b1.

Fixes RHBZ#1662303.

(cherry picked from commit 82d9ac23fd5ab2befe2a95187640a8d38799dd64)
(cherry picked from commit f665fe3e2e74548a2a236f3b7635227621aa568a)

Gbp-Pq: Name udev-node-make-link_find_prioritized-return-negative-valu.patch
---

diff --git a/src/udev/udev-node.c b/src/udev/udev-node.c
index c11eb8c1..c77010c0 100644
--- a/src/udev/udev-node.c
+++ b/src/udev/udev-node.c
@@ -181,6 +181,9 @@ static int link_find_prioritized(sd_device *dev, bool add, const char *stackdir,
                 priority = db_prio;
         }
 
+        if (!target)
+                return -ENOENT;
+
         *ret = TAKE_PTR(target);
         return 0;
 }