On Monday 13 September 2021 11:33:28 CEST Dan Carpenter wrote: > On Mon, Sep 13, 2021 at 10:30:15AM +0200, Jerome Pouiller wrote: > > diff --git a/drivers/staging/wfx/sta.c b/drivers/staging/wfx/sta.c > > index 5de9ccf02285..aff0559653bf 100644 > > --- a/drivers/staging/wfx/sta.c > > +++ b/drivers/staging/wfx/sta.c > > @@ -154,18 +154,26 @@ static int wfx_get_ps_timeout(struct wfx_vif *wvif, bool *enable_ps) > > chan0 = wdev_to_wvif(wvif->wdev, 0)->vif->bss_conf.chandef.chan; > > if (wdev_to_wvif(wvif->wdev, 1)) > > chan1 = wdev_to_wvif(wvif->wdev, 1)->vif->bss_conf.chandef.chan; > > - if (chan0 && chan1 && chan0->hw_value != chan1->hw_value && > > - wvif->vif->type != NL80211_IFTYPE_AP) { > > - // It is necessary to enable powersave if channels > > - // are different. > > - if (enable_ps) > > - *enable_ps = true; > > - if (wvif->wdev->force_ps_timeout > -1) > > - return wvif->wdev->force_ps_timeout; > > - else if (wfx_api_older_than(wvif->wdev, 3, 2)) > > - return 0; > > - else > > - return 30; > > + if (chan0 && chan1 && wvif->vif->type != NL80211_IFTYPE_AP) { > > + if (chan0->hw_value == chan1->hw_value) { > > + // It is useless to enable PS if channels are the same. > > + if (enable_ps) > > + *enable_ps = false; > > + if (wvif->vif->bss_conf.assoc && wvif->vif->bss_conf.ps) > > + dev_info(wvif->wdev->dev, "ignoring requested PS mode"); > > + return -1; > > I can't be happy about this -1 return or how it's handled in the caller. > There is already a -1 return so it's not really a new bug, though... I see what you mean. However, I remember it is easy to break things here and I don't want to change that in a rush. So, I would prefer to solve that in a further PR. -- Jérôme Pouiller