From b7a6e42e9148427e249ba5f59273c4064bfe55f0 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Zbigniew=20J=C4=99drzejewski-Szmek?= <zbyszek@in.waw.pl>
Date: Fri, 11 Oct 2013 19:33:36 -0400
Subject: [PATCH] drop-ins: check return value

If the function failed, nothing serious would happen
because unlink would probably return EFAULT, but this
would obscure the real error and is a bit sloppy.

Conflicts:
	src/core/unit.c
---
 src/core/unit.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/src/core/unit.c b/src/core/unit.c
index 502fbf1d4..52484022c 100644
--- a/src/core/unit.c
+++ b/src/core/unit.c
@@ -2940,6 +2940,9 @@ int unit_remove_drop_in(Unit *u, bool runtime, const char *name) {
         assert(u);
 
         r = drop_in_file(u, runtime, name, &p, &q);
+        if (r < 0)
+                return r;
+
         if (unlink(q) < 0)
                 r = -errno;
         else