net: phy: marvell10g: fix return value on error

[ Upstream commit 0ed9704b660b259b54743cad8a84a11148f60f0a ]

Return back the error value that we get from phy_read_mmd().

Fixes: c84786fa8f91 ("net: phy: marvell10g: read copper results from CSSR1")
Signed-off-by: Baruch Siach <baruch.siach@siklu.com>
Reviewed-by: Marek Behún <kabel@kernel.org>
Reviewed-by: Russell King (Oracle) <rmk+kernel@armlinux.org.uk>
Link: https://lore.kernel.org/r/f47cb031aeae873bb008ba35001607304a171a20.1650868058.git.baruch@tkos.co.il
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>

diff --git a/drivers/net/phy/marvell10g.c b/drivers/net/phy/marvell10g.c
index b1bb9b8e1e4edb32399a27d33d04740e578aa5dd..2b64318efdba6e78d8b04eff4d1f609586c69785 100644 (file)
--- a/drivers/net/phy/marvell10g.c
+++ b/drivers/net/phy/marvell10g.c
@@ -650,7 +650,7 @@ static int mv3310_read_status_copper(struct phy_device *phydev)
 
        cssr1 = phy_read_mmd(phydev, MDIO_MMD_PCS, MV_PCS_CSSR1);
        if (cssr1 < 0)
-               return val;
+               return cssr1;
 
        /* If the link settings are not resolved, mark the link down */
        if (!(cssr1 & MV_PCS_CSSR1_RESOLVED)) {