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net: phy: bcm84881: Fix some error handling paths

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BugLink: https://bugs.launchpad.net/bugs/2097301

[ Upstream commit 9234a2549cb6ac038bec36cc7c084218e9575513 ]

If phy_read_mmd() fails, the error code stored in 'bmsr' should be returned
instead of 'val' which is likely to be 0.

Fixes: 75f4d8d10e ("net: phy: add Broadcom BCM84881 PHY driver")
Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr>
Link: https://patch.msgid.link/3e1755b0c40340d00e089d6adae5bca2f8c79e53.1727982168.git.christophe.jaillet@wanadoo.fr
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
Signed-off-by: Manuel Diewald <manuel.diewald@canonical.com>
Signed-off-by: Koichiro Den <koichiro.den@canonical.com>
This commit is contained in:
Christophe JAILLET
2024-10-03 21:03:21 +02:00
committed by Mehmet Basaran
parent 41bc88f8a4
commit bf94a930f7
1 changed files with 2 additions and 2 deletions
Download Patch File Download Diff File Expand all files Collapse all files
drivers/net/phy/bcm84881.c
+2 -2
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@@ -132,7 +132,7 @@ static int bcm84881_aneg_done(struct phy_device *phydev)
bmsr = phy_read_mmd(phydev, MDIO_MMD_AN, MDIO_AN_C22 + MII_BMSR);
if (bmsr < 0)
return val;
return bmsr;
return !!(val & MDIO_AN_STAT1_COMPLETE) &&
!!(bmsr & BMSR_ANEGCOMPLETE);
@@ -158,7 +158,7 @@ static int bcm84881_read_status(struct phy_device *phydev)
bmsr = phy_read_mmd(phydev, MDIO_MMD_AN, MDIO_AN_C22 + MII_BMSR);
if (bmsr < 0)
return val;
return bmsr;
phydev->autoneg_complete = !!(val & MDIO_AN_STAT1_COMPLETE) &&
!!(bmsr & BMSR_ANEGCOMPLETE);