phylink: avoid attaching more than one PHY

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Attaching more than one PHY to phylink is bad news, as we store a
pointer to the PHY in a single location. Error out if more than one
PHY is attempted to be attached.

Signed-off-by: Russell King <rmk+kernel@armlinux.org.uk>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: David S. Miller <davem@davemloft.net>

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Russell King 2017-12-20 23:23:33 +00:00 • committed by David S. Miller

parent 29635762be

commit fe1c3ef201

1 changed files with 3 additions and 0 deletions

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3

drivers/net/phy/phylink.c

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