netdev - [PATCH wpan 12/17] net: ieee802154: forbid monitor for add llsec devkey

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Message-Id: <20210228151817.95700-13-aahringo@redhat.com>
Date:   Sun, 28 Feb 2021 10:18:12 -0500
From:   Alexander Aring <aahringo@...hat.com>
To:     stefan@...enfreihafen.org
Cc:     linux-wpan@...r.kernel.org, netdev@...r.kernel.org
Subject: [PATCH wpan 12/17] net: ieee802154: forbid monitor for add llsec devkey

This patch forbids to add llsec devkey for monitor interfaces which we
don't support yet. Otherwise we will access llsec mib which isn't
initialized for monitors.

Signed-off-by: Alexander Aring <aahringo@...hat.com>
---
 net/ieee802154/nl802154.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/net/ieee802154/nl802154.c b/net/ieee802154/nl802154.c
index 43e7b029c444..ecdaff719b08 100644
--- a/net/ieee802154/nl802154.c
+++ b/net/ieee802154/nl802154.c
@@ -1915,6 +1915,9 @@ static int nl802154_add_llsec_devkey(struct sk_buff *skb, struct genl_info *info
 	struct ieee802154_llsec_device_key key;
 	__le64 extended_addr;
 
+	if (wpan_dev->iftype == NL802154_IFTYPE_MONITOR)
+		return -EOPNOTSUPP;
+
 	if (!info->attrs[NL802154_ATTR_SEC_DEVKEY] ||
 	    nla_parse_nested_deprecated(attrs, NL802154_DEVKEY_ATTR_MAX, info->attrs[NL802154_ATTR_SEC_DEVKEY], nl802154_devkey_policy, info->extack) < 0)
 		return -EINVAL;
-- 
2.26.2