core: fix return value on OOM

diff --git a/src/core/device.c b/src/core/device.c
index e41ed4149fcb8f33eb1fb881f33a487240309097..eb976b8601199840d5e4e747b75d71cc52b48e35 100644 (file)
--- a/src/core/device.c
+++ b/src/core/device.c
@@ -209,6 +209,8 @@ static int device_update_description(Unit *u, struct udev_device *dev, const cha
                         j = strjoin(model, " ", label, NULL);
                         if (j)
                                 r = unit_set_description(u, j);
+                        else
+                                r = -ENOMEM;
                 } else
                         r = unit_set_description(u, model);
         } else