netdev - [PATCH net-next v2 0/4] net: Fix return value check for fixed_phy

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Date: Thu, 17 Aug 2023 20:16:27 +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 0/4] net: Fix return value check for fixed_phy_register()

Since fixed_phy_get_gpiod() return NULL instead of
ERR_PTR(), the IS_ERR() check is not correct to return the err.

The fixed_phy_register() function returns error pointers and never
returns NULL.

And fixed_phy_register() function also returns -EPROBE_DEFER, -EINVAL and
-EBUSY, etc, in addition to -ENODEV or -EIO, Use PTR_ERR instead.

Changes in v2:
- Remove redundant NULL check.
- Fix the return value for fixed_phy_register().
- Fix the return value check for fixed_phy_get_gpiod().
- Fix the return value also for lan743x.

Ruan Jinjie (4):
  net: phy: fixed_phy: Fix return value check for fixed_phy_get_gpiod
  net: bgmac: Fix return value check for fixed_phy_register()
  net: bcmgenet: Fix return value check for fixed_phy_register()
  net: lan743x: Fix return value check for fixed_phy_register()

 drivers/net/ethernet/broadcom/bgmac.c         | 4 ++--
 drivers/net/ethernet/broadcom/genet/bcmmii.c  | 4 ++--
 drivers/net/ethernet/microchip/lan743x_main.c | 2 +-
 drivers/net/phy/fixed_phy.c                   | 4 ++--
 4 files changed, 7 insertions(+), 7 deletions(-)

-- 
2.34.1