From: Yu Watanabe <watanabe.yu+github@gmail.com>
Date: Mon, 22 Feb 2021 14:11:28 +0000 (+0900)
Subject: backlight: same_device() may return negative errno
X-Git-Tag: v248-rc1~15^2~2
X-Git-Url: http://git.ipfire.org/gitweb.cgi?a=commitdiff_plain;h=ba6c9b79945109ec14f17b48e9b1931c037ebc90;p=thirdparty%2Fsystemd.git

backlight: same_device() may return negative errno
---

diff --git a/src/backlight/backlight.c b/src/backlight/backlight.c
index f9e4f83ab96..2e2938674d7 100644
--- a/src/backlight/backlight.c
+++ b/src/backlight/backlight.c
@@ -200,7 +200,7 @@ static int validate_device(sd_device *device) {
                 if (find_pci_or_platform_parent(other, &other_parent) < 0)
                         continue;
 
-                if (same_device(parent, other_parent)) {
+                if (same_device(parent, other_parent) > 0) {
                         const char *device_sysname = NULL, *other_sysname = NULL;
 
                         /* Both have the same PCI parent, that means we are out. */