On 08/27/2018 01:21 AM, Johan Hovold wrote:
> Use the new of_get_compatible_child() helper to lookup the mdio child
> node instead of using of_find_compatible_node(), which searches the
> entire tree from a given start node and thus can return an unrelated
> (i.e. non-child) node.
>
> This also addresses a potential use-after-free (e.g. after probe
> deferral) as the tree-wide helper drops a reference to its first
> argument (i.e. the node of the device being probed).
>
> Fixes: aa09677cba42 ("net: bcmgenet: add MDIO routines")
> Cc: stable <stable@xxxxxxxxxxxxxxx> # 3.15
> Cc: Florian Fainelli <f.fainelli@xxxxxxxxx>
> Cc: David S. Miller <davem@xxxxxxxxxxxxx>
> Signed-off-by: Johan Hovold <johan@xxxxxxxxxx>
Reviewed-by: Florian Fainelli <f.fainelli@xxxxxxxxx>
--
Florian
