On Wed, Sep 19, 2018 at 10:58:04AM +0300, Heikki Krogerus wrote:
> Functions typec_mux_get() and typec_switch_get() already
> make sure that the mux device reference count is
> incremented, but the same must be done to the driver module
> as well to prevent the drivers from being unloaded in the
> middle of operation.
>
> This fixes a potential "BUG: unable to handle kernel paging
> request at ..." from happening.
>
> Fixes: 93dd2112c7b2 ("usb: typec: mux: Get the mux identifier from function parameter")
> Cc: <stable@xxxxxxxxxxxxxxx>
Why is this flagged for stable? 93dd2112c7b2 went into 4.19-rc1 and has
not been backported anywhere else.
confused,
greg k-h
