From: Tejun Heo <t...@kernel.org>
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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