From: Alexander Aring <aahringo@redhat.com>
Date: Mon, 5 Apr 2021 00:30:42 +0000 (-0400)
Subject: net: ieee802154: stop dump llsec keys for monitors
X-Git-Tag: v5.12-rc7~13^2~12^2~13
X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=fb3c5cdf88cd504ef11d59e8d656f4bc896c6922;p=thirdparty%2Fkernel%2Flinux.git

net: ieee802154: stop dump llsec keys for monitors

This patch stops dumping llsec keys 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/20210405003054.256017-4-aahringo@redhat.com
Signed-off-by: Stefan Schmidt <stefan@datenfreihafen.org>
---

diff --git a/net/ieee802154/nl802154.c b/net/ieee802154/nl802154.c
index ce8956f31ef98..7815f253c8a36 100644
--- a/net/ieee802154/nl802154.c
+++ b/net/ieee802154/nl802154.c
@@ -1493,6 +1493,11 @@ nl802154_dump_llsec_key(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;