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authorFlorian Fainelli <f.fainelli@gmail.com>2017-02-06 15:55:23 -0800
committerDavid S. Miller <davem@davemloft.net>2017-02-07 13:48:22 -0500
commite69e46261063a25c3907bed16a2e9d18b115d1fd (patch)
treecf8ebddef2228a4a1571c66faecf00d2eb238d7b /include
parent6136c8fe53a8a28906e090ddd8914f9846eb8df8 (diff)
net: dsa: Do not clobber PHY link outside of state machine
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 of 811a919135b9 ("phy state machine: failsafe leave invalid RUNNING state") Reported-by: Zefir Kurtisi <zefir.kurtisi@neratec.com> Signed-off-by: Florian Fainelli <f.fainelli@gmail.com> Reviewed-by: Andrew Lunn <andrew@lunn.ch> Signed-off-by: David S. Miller <davem@davemloft.net>
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