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net: ieee802154: forbid monitor for add llsec dev

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[ 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>
This commit is contained in:
Alexander Aring 2021-04-04 20:30:46 -04:00 committed by Greg Kroah-Hartman
parent d49c517451
commit c23987a0a3
1 changed files with 3 additions and 0 deletions
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3
net/ieee802154/nl802154.c
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@ -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;