From c7034aa41bd7d44ce8280aabe68769fe67cc4939 Mon Sep 17 00:00:00 2001
From: James Prestwood <prestwoj@gmail.com>
Date: Thu, 23 Feb 2023 10:14:17 -0800
Subject: [PATCH] netdev: check iftype in channel switch event

Some drivers send this event when starting AP mode which means
the handshake object is NULL, causing a crash.
---
 src/netdev.c | 8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)

diff --git a/src/netdev.c b/src/netdev.c
index 7d1f40e4..438ec4f8 100644
--- a/src/netdev.c
+++ b/src/netdev.c
@@ -5170,8 +5170,12 @@ static void netdev_send_sa_query_delay(struct l_timeout *timeout,
 static void netdev_channel_switch_event(struct l_genl_msg *msg,
 					struct netdev *netdev)
 {
-	_auto_(l_free) struct band_chandef *chandef =
-						l_new(struct band_chandef, 1);
+	_auto_(l_free) struct band_chandef *chandef = NULL;
+
+	if (netdev->type != NL80211_IFTYPE_STATION)
+		return;
+
+	chandef = l_new(struct band_chandef, 1);
 
 	if (nl80211_parse_chandef(msg, chandef) < 0) {
 		l_debug("Couldn't parse operating channel info.");