| From | Greg Kroah-Hartman <> | Subject | [PATCH 4.9 14/37] net: ieee802154: stop dump llsec seclevels for monitors | Date | Mon, 26 Apr 2021 09:29:15 +0200 |
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From: Alexander Aring <aahringo@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 <aahringo@redhat.com> Link: https://lore.kernel.org/r/20210405003054.256017-13-aahringo@redhat.com Signed-off-by: Stefan Schmidt <stefan@datenfreihafen.org> Signed-off-by: Sasha Levin <sashal@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 57da67e2732d..0e6d9bf92be3 100644 --- a/net/ieee802154/nl802154.c +++ b/net/ieee802154/nl802154.c @@ -2063,6 +2063,11 @@ 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
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