From 86cdffd1069f5ebb6ded3988e5a2eca59b0a6e81 Mon Sep 17 00:00:00 2001
From: Lennart Poettering <lennart@poettering.net>
Date: Mon, 4 Jun 2018 18:05:09 +0200
Subject: [PATCH] core: log when unit_add_dependency() fails for some reason

Also, proceed, as there's little we can do in this case.
---
 src/core/device.c | 5 ++---
 1 file changed, 2 insertions(+), 3 deletions(-)

diff --git a/src/core/device.c b/src/core/device.c
index ba69fdc70d..b4f162d1b7 100644
--- a/src/core/device.c
+++ b/src/core/device.c
@@ -409,7 +409,7 @@ static bool device_is_bound_by_mounts(Device *d, struct udev_device *dev) {
         return d->bind_mounts;
 }
 
-static int device_upgrade_mount_deps(Unit *u) {
+static void device_upgrade_mount_deps(Unit *u) {
         Unit *other;
         Iterator i;
         void *v;
@@ -423,9 +423,8 @@ static int device_upgrade_mount_deps(Unit *u) {
 
                 r = unit_add_dependency(other, UNIT_BINDS_TO, u, true, UNIT_DEPENDENCY_UDEV);
                 if (r < 0)
-                        return r;
+                        log_unit_warning_errno(u, r, "Failed to add BindsTo= dependency between device and mount unit, ignoring: %m");
         }
-        return 0;
 }
 
 static int device_setup_unit(Manager *m, struct udev_device *dev, const char *path, bool main) {