nl80211: use ie_len in scheduled scan

We've already checked the IE length and assigned request->ie
based on that, so continue using it to make the code a bit
clearer.

Signed-off-by: Johannes Berg <johannes.berg@intel.com>
diff --git a/net/wireless/nl80211.c b/net/wireless/nl80211.c
index ebea1a1..1797864 100644
--- a/net/wireless/nl80211.c
+++ b/net/wireless/nl80211.c
@@ -5709,8 +5709,8 @@
 		request->min_rssi_thold = NL80211_SCAN_RSSI_THOLD_OFF;
 	}
 
-	if (info->attrs[NL80211_ATTR_IE]) {
-		request->ie_len = nla_len(info->attrs[NL80211_ATTR_IE]);
+	if (ie_len) {
+		request->ie_len = ie_len;
 		memcpy((void *)request->ie,
 		       nla_data(info->attrs[NL80211_ATTR_IE]),
 		       request->ie_len);