of: fix handling of '/' in options for of_find_node_by_path()

						const char *path)

						const char *path)

{

{

	struct device_node *child;

	struct device_node *child;

	int len = strchrnul(path, '/') - path;

	int len;

	int term;

	const char *end;

	end = strchr(path, ':');

	if (!end)

		end = strchrnul(path, '/');

	len = end - path;

	if (!len)

	if (!len)

		return NULL;

		return NULL;

	term = strchrnul(path, ':') - path;

	if (term < len)

		len = term;

	__for_each_child_of_node(parent, child) {

	__for_each_child_of_node(parent, child) {

		const char *name = strrchr(child->full_name, '/');

		const char *name = strrchr(child->full_name, '/');

		if (WARN(!name, "malformed device_node %s\n", child->full_name))

		if (WARN(!name, "malformed device_node %s\n", child->full_name))

	/* The path could begin with an alias */

	/* The path could begin with an alias */

	if (*path != '/') {

	if (*path != '/') {

		char *p = strchrnul(path, '/');

		int len;

		int len = separator ? separator - path : p - path;

		const char *p = separator;

		if (!p)

			p = strchrnul(path, '/');

		len = p - path;

		/* of_aliases must not be NULL */

		/* of_aliases must not be NULL */

		if (!of_aliases)

		if (!of_aliases)

		path++; /* Increment past '/' delimiter */

		path++; /* Increment past '/' delimiter */

		np = __of_find_node_by_path(np, path);

		np = __of_find_node_by_path(np, path);

		path = strchrnul(path, '/');

		path = strchrnul(path, '/');

		if (separator && separator < path)

			break;

	}

	}

	raw_spin_unlock_irqrestore(&devtree_lock, flags);

	raw_spin_unlock_irqrestore(&devtree_lock, flags);

	return np;

	return np;