[PATCH net v1 1/1] net: phy: c45: fix network interface initialization failures on xtensa, arm:cubieboard

Without proper initialization, "changed" returned random numbers and caused
interface initialization failures.

Fixes: 022c3f87f88e ("net: phy: add genphy_c45_ethtool_get/set_eee() support")
Reported-by: Guenter Roeck <linux@roeck-us.net>
Tested-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Oleksij Rempel <o.rempel@pengutronix.de>
---
 drivers/net/phy/phy-c45.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/net/phy/phy-c45.c b/drivers/net/phy/phy-c45.c
index 3813b86689d0..fee514b96ab1 100644
--- a/drivers/net/phy/phy-c45.c
+++ b/drivers/net/phy/phy-c45.c

@@ -672,7 +672,7 @@ EXPORT_SYMBOL_GPL(genphy_c45_read_mdix);
  */
 int genphy_c45_write_eee_adv(struct phy_device *phydev, unsigned long *adv)
 {
-	int val, changed;
+	int val, changed = 0;
 
 	if (linkmode_intersects(phydev->supported_eee, PHY_EEE_CAP1_FEATURES)) {
 		val = linkmode_to_mii_eee_cap1_t(adv);

-- 
2.30.2

On Sat, Feb 25, 2023 at 08:16:44AM +0100, Oleksij Rempel wrote:

Without proper initialization, "changed" returned random numbers and caused
interface initialization failures.

Fixes: 022c3f87f88e ("net: phy: add genphy_c45_ethtool_get/set_eee() support")
Reported-by: Guenter Roeck <linux@roeck-us.net>
Tested-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Oleksij Rempel <o.rempel@pengutronix.de>

Reviewed-by: Simon Horman <redacted>

On Sat, 25 Feb 2023 08:16:44 +0100 Oleksij Rempel wrote:

Without proper initialization, "changed" returned random numbers and caused
interface initialization failures.

Fixes: 022c3f87f88e ("net: phy: add genphy_c45_ethtool_get/set_eee() support")
Reported-by: Guenter Roeck <linux@roeck-us.net>
Tested-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Oleksij Rempel <o.rempel@pengutronix.de>

Applied, thanks!