Commit c23987a0 authored Apr 04, 2021 by Alexander Aring Committed by Greg Kroah-Hartman Apr 28, 2021

net: ieee802154: forbid monitor for add llsec dev



[ Upstream commit 5303f956b05a2886ff42890908156afaec0f95ac ]

This patch forbids to add 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: Alexander Aring <aahringo@redhat.com>
Link: https://lore.kernel.org/r/20210405003054.256017-8-aahringo@redhat.com


Signed-off-by: Stefan Schmidt <stefan@datenfreihafen.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>

parent d49c5174

net/ieee802154/nl802154.c

+3 −0

Original line number	Diff line number	Diff line
		@@ -1785,6 +1785,9 @@ static int nl802154_add_llsec_dev(struct sk_buff skb, struct genl_info info)
		struct wpan_dev *wpan_dev = dev->ieee802154_ptr;
		struct ieee802154_llsec_device dev_desc;

		if (wpan_dev->iftype == NL802154_IFTYPE_MONITOR)
		return -EOPNOTSUPP;

		if (ieee802154_llsec_parse_device(info->attrs[NL802154_ATTR_SEC_DEVICE],
		&dev_desc) < 0)
		return -EINVAL;