mdio_bus: Fix PTR_ERR() usage after initialization to constant
[ Upstream commit 780feae7eb69388c8d8b661cda6706b0dc0f642b ]
Fix coccinelle warning:
./drivers/net/phy/mdio_bus.c:51:5-12: ERROR: PTR_ERR applied after initialization to constant on line 44
./drivers/net/phy/mdio_bus.c:52:5-12: ERROR: PTR_ERR applied after initialization to constant on line 44
fix this by using IS_ERR before PTR_ERR
Fixes: bafbdd527d
("phylib: Add device reset GPIO support")
Signed-off-by: YueHaibing <yuehaibing@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Sasha Levin <sashal@kernel.org>
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@ -56,11 +56,12 @@ static int mdiobus_register_gpiod(struct mdio_device *mdiodev)
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gpiod = fwnode_get_named_gpiod(&mdiodev->dev.of_node->fwnode,
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"reset-gpios", 0, GPIOD_OUT_LOW,
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"PHY reset");
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if (PTR_ERR(gpiod) == -ENOENT ||
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PTR_ERR(gpiod) == -ENOSYS)
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gpiod = NULL;
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else if (IS_ERR(gpiod))
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return PTR_ERR(gpiod);
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if (IS_ERR(gpiod)) {
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if (PTR_ERR(gpiod) == -ENOENT || PTR_ERR(gpiod) == -ENOSYS)
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gpiod = NULL;
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else
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return PTR_ERR(gpiod);
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}
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mdiodev->reset = gpiod;
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