RE: hns: question regarding ae_node device node refcounting

From: Salil Mehta
Date: Fri Jan 11 2019 - 14:43:43 EST


Hi Alexey,

> From: Alexey Khoroshilov [mailto:khoroshilov@xxxxxxxxx]
> Sent: Saturday, December 22, 2018 9:55 PM
> To: Zhuangyuzeng (Yisen) <yisen.zhuang@xxxxxxxxxx>; Salil Mehta
> <salil.mehta@xxxxxxxxxx>; lipeng (Y) <lipeng321@xxxxxxxxxx>
> Cc: Alexey Khoroshilov <khoroshilov@xxxxxxxxx>; David S. Miller
> <davem@xxxxxxxxxxxxx>; netdev@xxxxxxxxxxxxxxx; linux-
> kernel@xxxxxxxxxxxxxxx; ldv-project@xxxxxxxxxxxxxxxx
> Subject: net: hns: question regarding ae_node device node refcounting
>
> Hello,
>
> hns_nic_dev_probe() increments refcount of ae_node device node:
> ae_node = of_parse_phandle(dev->of_node, "ae-handle", 0);
>
> But there is no of_node_put() for ae_node.
> What is the right place to decrement the ae_node refount?
>
> Should it be placed in hns_nic_dev_probe() or in hns_nic_dev_remove()?
> Or may be it is managed by fwnode somehow?

Thanks for bringing this to notice. Yes, you are right of_node_put()
is missing. We will float a fix for this soon.

Cheers
Salil