net: netcp: Do not clobber PHY link outside of state machine

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Calling phy_read_status() means that we may call into
genphy_read_status() which in turn will use genphy_update_link() which
can make changes to phydev->link outside of the state machine's state
transitions. This is an invalid behavior that is now caught as off
811a919135 ("phy state machine: failsafe leave invalid RUNNING state")

Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

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Florian Fainelli 2017-02-06 15:55:22 -08:00 • committed by David S. Miller

parent 482ff9fdc8

commit 6136c8fe53

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drivers/net/ethernet/ti/netcp_ethss.c

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