Re: [PATCH 2/5] kernfs: implement kernfs_walk_and_get()

[David Miller]

From: Tejun Heo <tj@xxxxxxxxxx>
Date: Tue, 17 Nov 2015 14:40:37 -0500

> +	static char path_buf[PATH_MAX];	/* protected by kernfs_mutex */
> +	int len = strlen(path);
 ...
> +	if (len >= PATH_MAX)
> +		return NULL;
> +
> +	memcpy(path_buf, path, len + 1);

	static char path_buf[PATH_MAX];	/* protected by kernfs_mutex */
	int len = strlcpy(path_buf, path, PATH_MAX);
 ...
	if (len >= PATH_MAX)
		return NULL;
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