libmount: user-mounted loopback fs cannot be unmounted by user

Addresses: https://bugs.archlinux.org/task/31624 Signed-off-by: Karel Zak <kzak@redhat.com>
util-linux · Sep 21, 2012 · 9af2433 · 9af2433
1 parent c1f1b30
commit 9af2433
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/libmount/src/context_umount.c b/libmount/src/context_umount.c
@@ -150,7 +150,7 @@ static int is_associated_fs(const char *devname, struct libmnt_fs *fs)
 	int flags = 0;
 
 	/* check if it begins with /dev/loop */
-	if (strncmp(devname, _PATH_DEV_LOOP, sizeof(_PATH_DEV_LOOP)))
+	if (strncmp(devname, _PATH_DEV_LOOP, sizeof(_PATH_DEV_LOOP) - 1))
 		return 0;
 
 	src = mnt_fs_get_srcpath(fs);