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net: ieee802154: forbid monitor for add llsec seclevel

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[ Upstream commit 9ec87e322428d4734ac647d1a8e507434086993d ]

This patch forbids to add llsec seclevel 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/20210405003054.256017-14-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 20:30:52 -04:00 committed by Greg Kroah-Hartman
parent b97c7bc42d
commit 248b9b61b9
1 changed files with 3 additions and 0 deletions
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3
net/ieee802154/nl802154.c
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@ -2120,6 +2120,9 @@ static int nl802154_add_llsec_seclevel(struct sk_buff *skb,
struct wpan_dev *wpan_dev = dev->ieee802154_ptr;
struct ieee802154_llsec_seclevel sl;
if (wpan_dev->iftype == NL802154_IFTYPE_MONITOR)
return -EOPNOTSUPP;
if (llsec_parse_seclevel(info->attrs[NL802154_ATTR_SEC_LEVEL],
&sl) < 0)
return -EINVAL;