net: phy: don't allow __set_phy_supported to add unsupported modes

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Currently __set_phy_supported allows to add modes w/o checking whether
the PHY supports them. This is wrong, it should never add modes but
only remove modes we don't want to support.

Signed-off-by: Heiner Kallweit <hkallweit1@gmail.com>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: David S. Miller <davem@davemloft.net>

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Heiner Kallweit 2018-12-03 08:04:57 +01:00 • committed by David S. Miller

parent 97e6c858a2

commit 6915bf3b00

1 changed files with 14 additions and 28 deletions

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42

drivers/net/phy/phy_device.c

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