On Sat, Jun 29, 2019 at 02:03:14PM +0800, yuan linyu wrote:
> in the loop, if get a descriptor which is not desired type,
> the buf will be not clean.
> caller check return length to decide success or not.

I'm sorry, but I can not understand these sentances at all.  How does
this relate to remiving a memset() call?  Why do you need to, or want
to, remove it?  What does this fix?

thanks,

greg k-h

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