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net: bcmgenet: Fix return value check for fixed_phy_register()

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[ Upstream commit 32bbe64a1386065ab2aef8ce8cae7c689d0add6e ]

The fixed_phy_register() function returns error pointers and never
returns NULL. Update the checks accordingly.

Fixes: b0ba512e25 ("net: bcmgenet: enable driver to work without a device tree")
Signed-off-by: Ruan Jinjie <ruanjinjie@huawei.com>
Reviewed-by: Leon Romanovsky <leonro@nvidia.com>
Acked-by: Doug Berger <opendmb@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
Ruan Jinjie 2023-08-18 13:12:21 +08:00 committed by Greg Kroah-Hartman
parent 92b20b1569
commit 67c8d7ef54
1 changed files with 1 additions and 1 deletions
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2
drivers/net/ethernet/broadcom/genet/bcmmii.c
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@ -568,7 +568,7 @@ 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;
}