net: lan966x: fix kernel oops on ioctl when I/F is down

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ioctls handled by phy_mii_ioctl() will cause a kernel oops when the
interface is down. Fix it by making sure there is a PHY attached.

Fixes: 735fec995b ("net: lan966x: Implement SIOCSHWTSTAMP and SIOCGHWTSTAMP")
Signed-off-by: Michael Walle <michael@walle.cc>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Link: https://lore.kernel.org/r/20220328220350.3118969-1-michael@walle.cc
Signed-off-by: Paolo Abeni <pabeni@redhat.com>

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Michael Walle 2022-03-29 00:03:50 +02:00 • committed by Paolo Abeni

parent 807ca64e15

commit ad7da1ce57

1 changed files with 3 additions and 0 deletions

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drivers/net/ethernet/microchip/lan966x/lan966x_main.c

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