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net: mdio: thunder: Fix a double free issue in the .remove function

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[ Upstream commit a93a0a15876d2a077a3bc260b387d2457a051f24 ]

'bus->mii_bus' have been allocated with 'devm_mdiobus_alloc_size()' in the
probe function. So it must not be freed explicitly or there will be a
double free.

Remove the incorrect 'mdiobus_free' in the remove function.

Fixes: 379d7ac7ca ("phy: mdio-thunder: Add driver for Cavium Thunder SoC MDIO buses.")
Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr>
Reviewed-by: Russell King <rmk+kernel@armlinux.org.uk>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
Christophe JAILLET 2021-05-13 09:44:49 +02:00 committed by Greg Kroah-Hartman
parent 4246f7dc35
commit 4bd833bb5e
1 changed files with 0 additions and 1 deletions
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drivers/net/mdio/mdio-thunder.c
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@ -126,7 +126,6 @@ static void thunder_mdiobus_pci_remove(struct pci_dev *pdev)
continue;
mdiobus_unregister(bus->mii_bus);
mdiobus_free(bus->mii_bus);
oct_mdio_writeq(0, bus->register_base + SMI_EN);
}
pci_release_regions(pdev);