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-rw-r--r--src/core/load-fragment.c6
1 files changed, 6 insertions, 0 deletions
diff --git a/src/core/load-fragment.c b/src/core/load-fragment.c
index 159e8d5050..44f00a3046 100644
--- a/src/core/load-fragment.c
+++ b/src/core/load-fragment.c
@@ -4254,6 +4254,12 @@ int config_parse_pid_file(
assert(rvalue);
assert(u);
+ if (isempty(rvalue)) {
+ /* An empty assignment removes already set value. */
+ *s = mfree(*s);
+ return 0;
+ }
+
r = unit_full_printf(u, rvalue, &k);
if (r < 0) {
log_syntax(unit, LOG_ERR, filename, line, r, "Failed to resolve unit specifiers in '%s', ignoring: %m", rvalue);