From: Karel Zak <kzak@redhat.com>
Date: Wed, 8 Jan 2025 09:51:02 +0000 (+0100)
Subject: libmount: map unsupported LISTMOUNT_REVERSE to ENOSYS
X-Git-Tag: v2.42-start~97^2
X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=e1190d466394fefaa89962b300332813e68bfe6c;p=thirdparty%2Futil-linux.git

libmount: map unsupported LISTMOUNT_REVERSE to ENOSYS

For testing purposes, report the missing LISTMOUNT_REVERSE as missing
in the complete listmount() function.

Signed-off-by: Karel Zak <kzak@redhat.com>
---

diff --git a/libmount/src/tab_listmount.c b/libmount/src/tab_listmount.c
index a9116da8a..e55786f27 100644
--- a/libmount/src/tab_listmount.c
+++ b/libmount/src/tab_listmount.c
@@ -100,6 +100,7 @@ static int table_init_listmount(struct libmnt_table *tb, size_t stepsiz)
 				DBG(TAB, ul_debugobj(tb, "listmount: unsuppported"));
 			if (errno == EINVAL)
 				DBG(TAB, ul_debugobj(tb, "listmount: reverse unsuppported"));
+			errno = ENOSYS;
 			return -ENOSYS;
 		}
 	}
diff --git a/tests/helpers/test_sysinfo.c b/tests/helpers/test_sysinfo.c
index f23f9111a..7cda1178f 100644
--- a/tests/helpers/test_sysinfo.c
+++ b/tests/helpers/test_sysinfo.c
@@ -163,7 +163,7 @@ static int hlp_listmount_ok(void)
 #else
 	errno = ENOSYS;
 #endif
-	printf("%d\n", errno != ENOSYS);
+	printf("%d\n", !(errno == ENOSYS || errno == EINVAL));
 	return 0;
 }