From: Jeremy Linton
Date: Tue, 6 Mar 2018 09:00:06 -0600
> The smsc911x driver will crash if it is rmmod'ed while the netdev
> is up like:
>
> Call trace:
...
> This is caused by the mdiobus being unregistered/free'd
> and the code in phy_detach() attempting to manipulate mdio
> related struct
Hi,
On 03/06/2018 09:23 AM, Andrew Lunn wrote:
This is caused by the mdiobus being unregistered/free'd
and the code in phy_detach() attempting to manipulate mdio
related structures from unregister_netdev() calling close()
To fix this, we delay the mdiobus teardown until after
the netdev is dere
> This is caused by the mdiobus being unregistered/free'd
> and the code in phy_detach() attempting to manipulate mdio
> related structures from unregister_netdev() calling close()
>
> To fix this, we delay the mdiobus teardown until after
> the netdev is deregistered.
>
> Reported-by: Matt Seale
The smsc911x driver will crash if it is rmmod'ed while the netdev
is up like:
Call trace:
phy_detach+0x94/0x150
phy_disconnect+0x40/0x50
smsc911x_stop+0x104/0x128 [smsc911x]
__dev_close_many+0xb4/0x138
dev_close_many+0xbc/0x190
rollback_registered_many+0x140/0x460
rollback_registered
