linux-kernel - [PATCH 5.15 107/177] net: phy: marvell10g: fix return value on error

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Date:   Wed,  4 May 2022 18:45:00 +0200
From:   Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:     linux-kernel@...r.kernel.org
Cc:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        stable@...r.kernel.org, Baruch Siach <baruch.siach@...lu.com>,
        Marek Behún <kabel@...nel.org>,
        "Russell King (Oracle)" <rmk+kernel@...linux.org.uk>,
        Paolo Abeni <pabeni@...hat.com>,
        Sasha Levin <sashal@...nel.org>
Subject: [PATCH 5.15 107/177] net: phy: marvell10g: fix return value on error

From: Baruch Siach <baruch.siach@...lu.com>

[ 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@...lu.com>
Reviewed-by: Marek Behún <kabel@...nel.org>
Reviewed-by: Russell King (Oracle) <rmk+kernel@...linux.org.uk>
Link: https://lore.kernel.org/r/f47cb031aeae873bb008ba35001607304a171a20.1650868058.git.baruch@tkos.co.il
Signed-off-by: Paolo Abeni <pabeni@...hat.com>
Signed-off-by: Sasha Levin <sashal@...nel.org>
---
 drivers/net/phy/marvell10g.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/net/phy/marvell10g.c b/drivers/net/phy/marvell10g.c
index bd310e8d5e43..df33637c5269 100644
--- a/drivers/net/phy/marvell10g.c
+++ b/drivers/net/phy/marvell10g.c
@@ -789,7 +789,7 @@ 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)) {
-- 
2.35.1