Ben Hutchings 4f9dce230b sh_eth: Fix ethtool operation crash when net device is down ... The driver connects and disconnects the PHY device whenever the net device is brought up and down. The ethtool get_settings, set_settings and nway_reset operations will dereference a null or dangling pointer if called while it is down. I think it would be preferable to keep the PHY connected, but there may be good reasons not to. As an immediate fix for this bug: - Set the phydev pointer to NULL after disconnecting the PHY - Change those three operations to return -ENODEV while the PHY is not connected Signed-off-by: Ben Hutchings <ben.hutchings@codethink.co.uk> Signed-off-by: David S. Miller <davem@davemloft.net>		2015-01-19 15:37:40 -05:00
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Kconfig	net: sh_eth: fix driver dependencies	2014-09-02 13:23:25 -07:00
Makefile	sh_eth: Move the Renesas SuperH driver	2011-08-12 23:47:36 -07:00
sh_eth.c	sh_eth: Fix ethtool operation crash when net device is down	2015-01-19 15:37:40 -05:00
sh_eth.h	sh_eth: Fix access to TRSCER register	2015-01-08 20:06:54 -08:00