From: Alexander Aring <aahri...@redhat.com>

[ Upstream commit 4c9b4f55ad1f5a4b6206ac4ea58f273126d21925 ]

This patch stops dumping llsec seclevels 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 <aahri...@redhat.com>
Link: https://lore.kernel.org/r/20210405003054.256017-13-aahri...@redhat.com
Signed-off-by: Stefan Schmidt <ste...@datenfreihafen.org>
Signed-off-by: Sasha Levin <sas...@kernel.org>
---
 net/ieee802154/nl802154.c | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/net/ieee802154/nl802154.c b/net/ieee802154/nl802154.c
index 39740c1fbebf..7c013d45d690 100644
--- a/net/ieee802154/nl802154.c
+++ b/net/ieee802154/nl802154.c
@@ -2042,6 +2042,11 @@ nl802154_dump_llsec_seclevel(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;
-- 
2.30.2

Reply via email to