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    SubjectRe: [PATCH 2/5] kernfs: implement kernfs_walk_and_get()
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    From: Tejun Heo <tj@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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