On Mon, Jun 26, 2017 at 4:00 PM, Zhongping Tan (谭中平)
<zhongping....@spreadtrum.com> wrote:
> hi Arnd:
> Another way to describe this question, misc_register shouldn't modify the
> member of the miscdevice especially when return error. Let the caller to
> ensure the list have been initialized,
> or when return error, please don't initialize the list.
Why not? The caller should only initialize a couple of fields in the
structure (name, minor, fops, ...)
not never even look at the list entry, which is really internal to the
misc_register()/misc_unregister().
Arnd
