Re: [PATCH net v3 1/2] net: ethernet: sunplus: spl2sw: fix phy_node refcount leak in remove
From: Andrew Lunn
Date: Tue Jun 23 2026 - 07:26:00 EST
On Tue, Jun 23, 2026 at 12:11:42PM +0530, Shitalkumar Gandhi wrote:
> mac->phy_node is acquired via of_parse_phandle() in spl2sw_probe() and
> stored in the mac private data, transferring ownership of the
> device_node reference to mac. On driver removal, spl2sw_phy_remove()
> disconnects the PHY but never drops that reference, so each
> probe-then-remove cycle leaks one of_node refcount per port permanently.
>
> Drop the reference after phy_disconnect(). While at it, remove the
> redundant inner "if (ndev)" check; comm->ndev[i] was just verified
> non-NULL on the line above.
>
> Compile-tested only; no SP7021 hardware available.
>
> Fixes: fd3040b9394c ("net: ethernet: Add driver for Sunplus SP7021")
> Signed-off-by: Shitalkumar Gandhi <shitalkumar.gandhi@xxxxxxxxxxxxxxxxxxx>
Reviewed-by: Andrew Lunn <andrew@xxxxxxx>
Andrew