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 502fbf1..5248402 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