Thread (25 messages) flat view 25 messages, 3 authors, 2021-03-06
STALE1998d

[PATCH wpan 11/17] net: ieee802154: stop dump llsec devkeys for monitors

From: Alexander Aring <aahringo@redhat.com>
Date: 2021-02-28 15:21:20
Subsystem: ieee 802.15.4 subsystem, networking [general], the rest · Maintainers: Alexander Aring, Stefan Schmidt, Miquel Raynal, "David S. Miller", Eric Dumazet, Jakub Kicinski, Paolo Abeni, Linus Torvalds

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>
---
 net/ieee802154/nl802154.c | 5 +++++
 1 file changed, 5 insertions(+)
diff --git a/net/ieee802154/nl802154.c b/net/ieee802154/nl802154.c
index 46faf451f413..43e7b029c444 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;
-- 
2.26.2
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