From 9dedfe7f667a8cb22ba85d0223556c69c4fd0e9a Mon Sep 17 00:00:00 2001
From: Tom Gundersen <teg@jklm.no>
Date: Thu, 18 Sep 2014 09:20:46 +0200
Subject: [PATCH] libudev: monitor - warn if we fail to request SO_PASSCRED

The function still succeeds, so there is no functional change. This fixes CID #996288.
---
 src/libudev/libudev-monitor.c | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/src/libudev/libudev-monitor.c b/src/libudev/libudev-monitor.c
index 186e5e1e87..59698b85b7 100644
--- a/src/libudev/libudev-monitor.c
+++ b/src/libudev/libudev-monitor.c
@@ -412,7 +412,10 @@ _public_ int udev_monitor_enable_receiving(struct udev_monitor *udev_monitor)
         }
 
         /* enable receiving of sender credentials */
-        setsockopt(udev_monitor->sock, SOL_SOCKET, SO_PASSCRED, &on, sizeof(on));
+        err = setsockopt(udev_monitor->sock, SOL_SOCKET, SO_PASSCRED, &on, sizeof(on));
+        if (err < 0)
+                udev_err(udev_monitor->udev, "setting SO_PASSCRED failed: %m\n");
+
         return 0;
 }