From 46e013988f70e194a0ed0cd9933a5b4f882223b2 Mon Sep 17 00:00:00 2001
From: Zdenek Kabelac <zkabelac@redhat.com>
Date: Mon, 25 Mar 2024 13:20:54 +0100
Subject: [PATCH] cov: check for strftime result

---
 lib/device/dev-cache.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/lib/device/dev-cache.c b/lib/device/dev-cache.c
index 789d8487f..d97a90828 100644
--- a/lib/device/dev-cache.c
+++ b/lib/device/dev-cache.c
@@ -1846,7 +1846,9 @@ static void devices_file_rename_unused(struct cmd_context *cmd)
 	t = time(NULL);
 	if (!(tm = localtime(&t)))
 		return;
-	strftime(datetime_str, sizeof(datetime_str), "%Y%m%d.%H%M%S", tm);
+
+	if (!strftime(datetime_str, sizeof(datetime_str), "%Y%m%d.%H%M%S", tm))
+		return;
 
 	if (dm_snprintf(path2, sizeof(path2), "%s/devices/%s-unused.%s", cmd->system_dir, filename, datetime_str) < 0)
 		return;