Arend van Spriel <arend.vanspriel@xxxxxxxxxxxx> wrote: > When brcmf_detach() from the bus layer upon rmmod we can no longer > communicate. Hence we will set the bus state to DOWN and cleanup > the event and protocol layer. The network interfaces need to be > deleted before brcmf_cfg80211_detach() because the latter does the > wiphy_unregister() which issues a warning if there are still network > devices linked to the wiphy instance. > > This change solves a null pointer dereference issue which happened > upon issueing rmmod while there are packets queued in bus protocol > layer. > > Reported-by: Rafał Miłecki <rafal@xxxxxxxxxx> > Reviewed-by: Hante Meuleman <hante.meuleman@xxxxxxxxxxxx> > Reviewed-by: Pieter-Paul Giesberts <pieter-paul.giesberts@xxxxxxxxxxxx> > Reviewed-by: Franky Lin <franky.lin@xxxxxxxxxxxx> > Signed-off-by: Arend van Spriel <arend.vanspriel@xxxxxxxxxxxx> Marked RFC as requested, please resend once this is ready to be applied. Patch set to RFC. -- https://patchwork.kernel.org/patch/10922029/ https://wireless.wiki.kernel.org/en/developers/documentation/submittingpatches
