From: wengjianfeng <wengjianfeng@xxxxxxxxxx> If the length of hide ssid is zero in scan, don't pass it to driver, which doesn't make any sense. Signed-off-by: wengjianfeng <wengjianfeng@xxxxxxxxxx> --- net/wireless/nl80211.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/net/wireless/nl80211.c b/net/wireless/nl80211.c index 775d0c4..d62e2aa 100644 --- a/net/wireless/nl80211.c +++ b/net/wireless/nl80211.c @@ -8727,6 +8727,9 @@ static int nl80211_abort_scan(struct sk_buff *skb, struct genl_info *info) err = -EINVAL; goto out_free; } + /* ignore the length of hide ssid is zero */ + if (nla_len(attr) == 0) + continue; request->ssids[i].ssid_len = nla_len(attr); memcpy(request->ssids[i].ssid, nla_data(attr), nla_len(attr)); -- 1.9.1
