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author | Alexander Aring <aahringo@redhat.com> | 2021-04-04 20:30:52 -0400 |
---|---|---|
committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2021-04-28 12:07:15 +0200 |
commit | 5246f7cf5b760f24ace64107611506e518555df8 (patch) | |
tree | d854722a629906ed8f46d7231d2b20633499523a /net/ieee802154 | |
parent | b8d9705751d2a336e4a933c8bf14adba33c3f069 (diff) | |
download | linux-stable-5246f7cf5b760f24ace64107611506e518555df8.tar.gz linux-stable-5246f7cf5b760f24ace64107611506e518555df8.tar.bz2 linux-stable-5246f7cf5b760f24ace64107611506e518555df8.zip |
net: ieee802154: forbid monitor for add llsec seclevel
[ 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>
Diffstat (limited to 'net/ieee802154')
-rw-r--r-- | net/ieee802154/nl802154.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/net/ieee802154/nl802154.c b/net/ieee802154/nl802154.c index 0e6d9bf92be3..cfc01314958f 100644 --- a/net/ieee802154/nl802154.c +++ b/net/ieee802154/nl802154.c @@ -2153,6 +2153,9 @@ 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; |