From: Heiner Kallweit Date: Fri, 20 Dec 2024 22:02:06 +0000 (+0100) Subject: net: phy: fix phy_disable_eee X-Git-Tag: microblaze-v6.16~163^2~152 X-Git-Url: http://git.monstr.eu/?a=commitdiff_plain;h=c83ca5a4df7cf0ce9ccc25e8481043e05aed6ad0;p=linux-2.6-microblaze.git net: phy: fix phy_disable_eee genphy_c45_write_eee_adv() becomes a no-op if phydev->supported_eee is cleared. That's not what we want because this function is still needed to clear the EEE advertisement register(s). Fill phydev->eee_broken_modes instead to ensure that userspace can't re-enable EEE advertising. Fixes: b55498ff14bd ("net: phy: add phy_disable_eee") Signed-off-by: Heiner Kallweit Link: https://patch.msgid.link/57e2ae5f-4319-413c-b5c4-ebc8d049bc23@gmail.com Signed-off-by: Jakub Kicinski --- diff --git a/drivers/net/phy/phy_device.c b/drivers/net/phy/phy_device.c index 928dc3c509b6..bdc997f59779 100644 --- a/drivers/net/phy/phy_device.c +++ b/drivers/net/phy/phy_device.c @@ -3012,10 +3012,11 @@ EXPORT_SYMBOL(phy_support_eee); */ void phy_disable_eee(struct phy_device *phydev) { - linkmode_zero(phydev->supported_eee); linkmode_zero(phydev->advertising_eee); phydev->eee_cfg.tx_lpi_enabled = false; phydev->eee_cfg.eee_enabled = false; + /* don't let userspace re-enable EEE advertisement */ + linkmode_fill(phydev->eee_broken_modes); } EXPORT_SYMBOL_GPL(phy_disable_eee);