From 5c51a69ba5cb7f6930573f2ca1716fac2ceceacd Mon Sep 17 00:00:00 2001
From: Maurizio Lombardi <mlombard@redhat.com>
Date: Wed, 12 Oct 2022 17:23:47 +0200
Subject: [PATCH] nvme: check if cfg.metadata is NULL before passing it to
 strlen()

---
 nvme.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/nvme.c b/nvme.c
index 0c85d182..4dac135a 100644
--- a/nvme.c
+++ b/nvme.c
@@ -7792,7 +7792,7 @@ close_dfd:
 	if (strlen(cfg.input_file))
 		close(dfd);
 close_mfd:
-	if (strlen(cfg.metadata))
+	if (cfg.metadata && strlen(cfg.metadata))
 		close(mfd);
 close_dev:
 	dev_close(dev);
-- 
2.49.0