scan: fix crash when driver doesn't report frame type

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.

Signed-off-by: Sergey Matyukevich <sergey.matyukevich.os@quantenna.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
1 file changed