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-rw-r--r--net/ieee802154/nl802154.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/net/ieee802154/nl802154.c b/net/ieee802154/nl802154.c
index 7815f253c8a3..42a246b6f9cb 100644
--- a/net/ieee802154/nl802154.c
+++ b/net/ieee802154/nl802154.c
@@ -1552,6 +1552,9 @@ static int nl802154_add_llsec_key(struct sk_buff *skb, struct genl_info *info)
struct ieee802154_llsec_key_id id = { };
u32 commands[NL802154_CMD_FRAME_NR_IDS / 32] = { };
+ if (wpan_dev->iftype == NL802154_IFTYPE_MONITOR)
+ return -EOPNOTSUPP;
+
if (!info->attrs[NL802154_ATTR_SEC_KEY] ||
nla_parse_nested_deprecated(attrs, NL802154_KEY_ATTR_MAX, info->attrs[NL802154_ATTR_SEC_KEY], nl802154_key_policy, info->extack))
return -EINVAL;