On Thu, Sep 20, 2018 at 02:26:28PM +0300, Heikki Krogerus wrote: > On Thu, Sep 20, 2018 at 01:20:03PM +0200, Greg KH wrote: > > 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, > > Sorry, it should not have the stable tag. Shall I resend these? No need, I'll handle it, thanks. greg k-h