From 61767bad5092ccb03798a7dff519c470fcbe72be Mon Sep 17 00:00:00 2001
From: Joachim Nilsson <troglobit@gmail.com>
Date: Sat, 20 Jun 2020 10:20:57 +0200
Subject: [PATCH] lib: pidfile: Prevent double-free

In the unlikely case someone tries to call pidfile() again, after
pidfile_cleanup().

Signed-off-by: Joachim Nilsson <troglobit@gmail.com>
---
 lib/pidfile.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/lib/pidfile.c b/lib/pidfile.c
index ba71b34..c32ba98 100644
--- a/lib/pidfile.c
+++ b/lib/pidfile.c
@@ -107,5 +107,6 @@ pidfile_cleanup(void)
 	if (pidfile_path != NULL && pidfile_pid == getpid()) {
 		(void)unlink(pidfile_path);
 		free(pidfile_path);
+		pidfile_path = NULL;
 	}
 }