From 2dc785982d29ebd72b7cc6ed5548454f386ce222 Mon Sep 17 00:00:00 2001
From: Marcel Holtmann <marcel@holtmann.org>
Date: Wed, 28 Aug 2019 08:35:50 +0200
Subject: [PATCH] netdev: Check EXT_FEATURE_CQM_RSSI_LIST before sending
 CMD_SET_CQM

---
 src/netdev.c | 11 +++++++----
 1 file changed, 7 insertions(+), 4 deletions(-)

diff --git a/src/netdev.c b/src/netdev.c
index be1f01c8..db92cecb 100644
--- a/src/netdev.c
+++ b/src/netdev.c
@@ -3790,13 +3790,16 @@ done:
 
 static int netdev_cqm_rssi_update(struct netdev *netdev)
 {
-	struct l_genl_msg *msg =
-		netdev_build_cmd_cqm_rssi_update(netdev,
-						netdev->rssi_levels,
-						netdev->rssi_levels_num);
+	struct l_genl_msg *msg;
 
 	l_debug("");
 
+	if (!wiphy_has_ext_feature(netdev->wiphy,
+					NL80211_EXT_FEATURE_CQM_RSSI_LIST))
+		return 0;
+
+	msg = netdev_build_cmd_cqm_rssi_update(netdev, netdev->rssi_levels,
+						netdev->rssi_levels_num);
 	if (!msg)
 		return -EINVAL;