On 13-06-17 08:13, Kalle Valo wrote: > Arend Van Spriel <arend.vanspriel@xxxxxxxxxxxx> wrote: > >> USB devices rely on queuing functionality provided by the fwsignal >> module regardless the mode fwsignal is operating in. For this some >> data structure needs to be reserved which is tied to the interface, >> which is done by brcmf_fws_add_interface(). However, it checks the >> mode. Replace that by checking result from brcmf_fws_queue_skbs(). Ok. Please add: """ Otherwise the driver will crash in a null pointer dereference when data is transmitted on the interface. """ Regards, Arend >> Fixes: fc0471e3e884 ("brcmfmac: ignore interfaces when fwsignal is disabled") >> Reviewed-by: Franky Lin <franky.lin@xxxxxxxxxxxx> >> Signed-off-by: Arend van Spriel <arend.vanspriel@xxxxxxxxxxxx> > > Same here, a short description of the bug would be nice. >