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

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[ Upstream commit 23a14488ea ]

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

Fixes: c25b23b8a3 ("bgmac: register fixed PHY for ARM BCM470X / BCM5301X chipsets")
Signed-off-by: Ruan Jinjie <ruanjinjie@huawei.com>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Reviewed-by: Leon Romanovsky <leonro@nvidia.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 13:12:20 +08:00
committed by Greg Kroah-Hartman
parent a7cecd332c
commit d3a74a85fb
1 changed files with 1 additions and 1 deletions
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2
drivers/net/ethernet/broadcom/bgmac.c
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@@ -1448,7 +1448,7 @@ int bgmac_phy_connect_direct(struct bgmac *bgmac)
int err; int err;
phy_dev = fixed_phy_register(PHY_POLL, &fphy_status, NULL); phy_dev = fixed_phy_register(PHY_POLL, &fphy_status, NULL);
if (!phy_dev || IS_ERR(phy_dev)) { if (IS_ERR(phy_dev)) {
dev_err(bgmac->dev, "Failed to register fixed PHY device\n"); dev_err(bgmac->dev, "Failed to register fixed PHY device\n");
return -ENODEV; return -ENODEV;
} }