> If driver does not know what kind of frame has been received from BSS, > then it is possible to specify CFG80211_BSS_FTYPE_UNKNOWN > in cfg80211_inform_bss[_width]. > > In this case neither NL80211_BSS_BEACON_IES nor NL80211_BSS_PRESP_DATA > will be reported to userspace. The fix is for iw tool, so the patch title is a bit confusing. It should have been something like this: [PATCH] iw: scan: fix crash when driver doesn't report frame type Regards, Sergey