On Thu, Oct 18, 2018 at 04:28:20PM +0200, Krzysztof Kozlowski wrote: > From: Stephen Warren <swarren@xxxxxxxxxx> > > commit daa35bd95634a2a2d72d1049c93576a02711cb1a upstream > > When the gadget serial device has no associated TTY, do not pass any > received data into the TTY layer for processing; simply drop it instead. > This prevents the TTY layer from calling back into the gadget serial > driver, which will then crash in e.g. gs_write_room() due to lack of > gadget serial device to TTY association (i.e. a NULL pointer dereference). > > Signed-off-by: Stephen Warren <swarren@xxxxxxxxxx> > Signed-off-by: Felipe Balbi <felipe.balbi@xxxxxxxxxxxxxxx> > Signed-off-by: Krzysztof Kozlowski <krzk@xxxxxxxxxx> Now queued up, thanks. greg k-h