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 <[email protected]> --- scan.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/scan.c b/scan.c index 09b04a5..d9681f3 100644 --- a/scan.c +++ b/scan.c @@ -2188,8 +2188,8 @@ static int print_bss_handler(struct nl_msg *msg, void *arg) struct nlattr *bcnies = bss[NL80211_BSS_BEACON_IES]; if (bss[NL80211_BSS_PRESP_DATA] || - nla_len(ies) != nla_len(bcnies) || - memcmp(nla_data(ies), nla_data(bcnies), nla_len(ies))) + (bcnies && (nla_len(ies) != nla_len(bcnies) || + memcmp(nla_data(ies), nla_data(bcnies), nla_len(ies))))) printf("\tInformation elements from Probe Response " "frame:\n"); print_ies(nla_data(ies), nla_len(ies), -- 2.11.0
