From 2f43ebcda0ba8bea82ae65040cea76305077dbab Mon Sep 17 00:00:00 2001
From: =?utf8?q?Thomas=20Wei=C3=9Fschuh?= <thomas@t-8ch.de>
Date: Sun, 24 Dec 2023 13:05:20 +0100
Subject: [PATCH] libmount: (tests) fix --filesystems crash on invalid argument
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Signed-off-by: Thomas Weißschuh <thomas@t-8ch.de>
---
 libmount/src/utils.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/libmount/src/utils.c b/libmount/src/utils.c
index b6d95696ad..056c5d4fb0 100644
--- a/libmount/src/utils.c
+++ b/libmount/src/utils.c
@@ -1364,7 +1364,7 @@ static int test_filesystems(struct libmnt_test *ts __attribute__((unused)),
 		return -1;
 
 	rc = mnt_get_filesystems(&filesystems, argc == 2 ? argv[1] : NULL);
-	if (!rc) {
+	if (!rc && filesystems) {
 		char **p;
 		for (p = filesystems; *p; p++)
 			printf("%s\n", *p);
-- 
2.47.3