From: Thomas Weißschuh <thomas@t-8ch.de>
Date: Fri, 22 Sep 2023 09:30:57 +0000 (+0200)
Subject: libmount: gracefully handle NULL path in mnt_resolve_target()
X-Git-Tag: v2.40-rc1~233^2~6
X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=aec9d96e7752a570d1ed4472fc5612c01b34800f;p=thirdparty%2Futil-linux.git

libmount: gracefully handle NULL path in mnt_resolve_target()

Signed-off-by: Thomas Weißschuh <thomas@t-8ch.de>
---

diff --git a/libmount/src/cache.c b/libmount/src/cache.c
index 2505919c99..6286aeb9ed 100644
--- a/libmount/src/cache.c
+++ b/libmount/src/cache.c
@@ -588,6 +588,9 @@ char *mnt_resolve_target(const char *path, struct libmnt_cache *cache)
 {
 	char *p = NULL;
 
+	if (!path)
+		return NULL;
+
 	/*DBG(CACHE, ul_debugobj(cache, "resolving target %s", path));*/
 
 	if (!cache || !cache->mountinfo)