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Message-ID: <20230817121631.1878897-4-ruanjinjie@huawei.com> Date: Thu, 17 Aug 2023 20:16:30 +0800 From: Ruan Jinjie <ruanjinjie@...wei.com> To: <rafal@...ecki.pl>, <bcm-kernel-feedback-list@...adcom.com>, <davem@...emloft.net>, <edumazet@...gle.com>, <kuba@...nel.org>, <pabeni@...hat.com>, <opendmb@...il.com>, <florian.fainelli@...adcom.com>, <bryan.whitehead@...rochip.com>, <andrew@...n.ch>, <hkallweit1@...il.com>, <linux@...linux.org.uk>, <mdf@...nel.org>, <pgynther@...gle.com>, <Pavithra.Sathyanarayanan@...rochip.com>, <netdev@...r.kernel.org> CC: <ruanjinjie@...wei.com> Subject: [PATCH net-next v2 3/4] net: bcmgenet: Fix return value check for fixed_phy_register() The fixed_phy_register() function returns error pointers and never returns NULL. Update the checks accordingly. And it also returns -EPROBE_DEFER, -EINVAL and -EBUSY, etc, in addition to -ENODEV, just return -ENODEV is not sensible, use PTR_ERR to fix the issue. Fixes: b0ba512e25d7 ("net: bcmgenet: enable driver to work without a device tree") Signed-off-by: Ruan Jinjie <ruanjinjie@...wei.com> --- v2: - Remove redundant NULL check and fix the return value. - Update the commit title and message. - Add the fix tag. --- drivers/net/ethernet/broadcom/genet/bcmmii.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/net/ethernet/broadcom/genet/bcmmii.c b/drivers/net/ethernet/broadcom/genet/bcmmii.c index 0092e46c46f8..97ea76d443ab 100644 --- a/drivers/net/ethernet/broadcom/genet/bcmmii.c +++ b/drivers/net/ethernet/broadcom/genet/bcmmii.c @@ -617,9 +617,9 @@ static int bcmgenet_mii_pd_init(struct bcmgenet_priv *priv) }; phydev = fixed_phy_register(PHY_POLL, &fphy_status, NULL); - if (!phydev || IS_ERR(phydev)) { + if (IS_ERR(phydev)) { dev_err(kdev, "failed to register fixed PHY device\n"); - return -ENODEV; + return PTR_ERR(phydev); } /* Make sure we initialize MoCA PHYs with a link down */ -- 2.34.1
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