Commit 4455d700 authored by Alexander Aring's avatar Alexander Aring Committed by Zheng Zengkai
Browse files

net: ieee802154: forbid monitor for del llsec dev 



stable inclusion
from stable-5.10.32
commit 4c1775d6ea86e7b72f6bd2028e226c1389d0b2cd
bugzilla: 51796

--------------------------------

[ Upstream commit ad8f9de1 ]

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

Signed-off-by: default avatarAlexander Aring <aahringo@redhat.com>
Link: https://lore.kernel.org/r/20210405003054.256017-9-aahringo@redhat.com


Signed-off-by: default avatarStefan Schmidt <stefan@datenfreihafen.org>
Signed-off-by: default avatarSasha Levin <sashal@kernel.org>
Signed-off-by: default avatarChen Jun <chenjun102@huawei.com>
Acked-by: default avatarWeilong Chen <chenweilong@huawei.com>
Signed-off-by: default avatarZheng Zengkai <zhengzengkai@huawei.com>
parent 5109dfbb

net/ieee802154/nl802154.c

+3 −0
Original line number Diff line number Diff line
@@ -1786,6 +1786,9 @@ static int nl802154_del_llsec_dev(struct sk_buff *skb, struct genl_info *info) 
	struct nlattr *attrs[NL802154_DEV_ATTR_MAX + 1];

	__le64 extended_addr;



	if (wpan_dev->iftype == NL802154_IFTYPE_MONITOR)

		return -EOPNOTSUPP;



	if (!info->attrs[NL802154_ATTR_SEC_DEVICE] ||

	    nla_parse_nested_deprecated(attrs, NL802154_DEV_ATTR_MAX, info->attrs[NL802154_ATTR_SEC_DEVICE], nl802154_dev_policy, info->extack))

		return -EINVAL;