Commit 0787a93b authored by Al Viro's avatar Al Viro
Browse files

sysfs(2): fs_index() argument is _not_ a pathname 



... it's a filesystem type name.

Signed-off-by: default avatarAl Viro <viro@zeniv.linux.org.uk>
parent 9b323d2f

fs/filesystems.c

+3 −6
Original line number Diff line number Diff line
@@ -132,24 +132,21 @@ EXPORT_SYMBOL(unregister_filesystem); 
static int fs_index(const char __user * __name)

{

	struct file_system_type * tmp;

	struct filename *name;

	char *name __free(kfree) = strndup_user(__name, PATH_MAX);

	int err, index;



	name = getname(__name);

	err = PTR_ERR(name);

	if (IS_ERR(name))

		return err;

		return PTR_ERR(name);



	err = -EINVAL;

	read_lock(&file_systems_lock);

	for (tmp=file_systems, index=0 ; tmp ; tmp=tmp->next, index++) {

		if (strcmp(tmp->name, name->name) == 0) {

		if (strcmp(tmp->name, name) == 0) {

			err = index;

			break;

		}

	}

	read_unlock(&file_systems_lock);

	putname(name);

	return err;

}