[PATCH 6.4 029/129] net: bcmgenet: Fix return value check for fixed_phy_register()

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6.4-stable review patch.  If anyone has any objections, please let me know.

------------------

From: Ruan Jinjie <ruanjinjie@xxxxxxxxxx>

[ Upstream commit 32bbe64a1386065ab2aef8ce8cae7c689d0add6e ]

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

Fixes: b0ba512e25d7 ("net: bcmgenet: enable driver to work without a device tree")
Signed-off-by: Ruan Jinjie <ruanjinjie@xxxxxxxxxx>
Reviewed-by: Leon Romanovsky <leonro@xxxxxxxxxx>
Acked-by: Doug Berger <opendmb@xxxxxxxxx>
Signed-off-by: David S. Miller <davem@xxxxxxxxxxxxx>
Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>
---
 drivers/net/ethernet/broadcom/genet/bcmmii.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/net/ethernet/broadcom/genet/bcmmii.c b/drivers/net/ethernet/broadcom/genet/bcmmii.c
index 0092e46c46f83..cc3afb605b1ec 100644
--- a/drivers/net/ethernet/broadcom/genet/bcmmii.c
+++ b/drivers/net/ethernet/broadcom/genet/bcmmii.c
@@ -617,7 +617,7 @@ 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;
 		}
-- 
2.40.1






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