From: Alexander Aring <aahringo@redhat.com>
Date: Mon, 5 Apr 2021 00:30:48 +0000 (-0400)
Subject: net: ieee802154: stop dump llsec devkeys for monitors
X-Git-Url: http://git.maquefel.me/?a=commitdiff_plain;h=080d1a57a94d93e70f84b7a360baa351388c574f;p=linux.git

net: ieee802154: stop dump llsec devkeys for monitors

This patch stops dumping llsec devkeys for monitors which we don't support
yet. Otherwise we will access llsec mib which isn't initialized for
monitors.

Signed-off-by: Alexander Aring <aahringo@redhat.com>
Link: https://lore.kernel.org/r/20210405003054.256017-10-aahringo@redhat.com
Signed-off-by: Stefan Schmidt <stefan@datenfreihafen.org>
---

diff --git a/net/ieee802154/nl802154.c b/net/ieee802154/nl802154.c
index 17c782d4cdae7..6f9cb6c0cafc4 100644
--- a/net/ieee802154/nl802154.c
+++ b/net/ieee802154/nl802154.c
@@ -1853,6 +1853,11 @@ nl802154_dump_llsec_devkey(struct sk_buff *skb, struct netlink_callback *cb)
 	if (err)
 		return err;
 
+	if (wpan_dev->iftype == NL802154_IFTYPE_MONITOR) {
+		err = skb->len;
+		goto out_err;
+	}
+
 	if (!wpan_dev->netdev) {
 		err = -EINVAL;
 		goto out_err;