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authorAlexander Aring <aahringo@redhat.com>2021-04-04 20:30:52 -0400
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2021-04-28 12:07:15 +0200
commit5246f7cf5b760f24ace64107611506e518555df8 (patch)
treed854722a629906ed8f46d7231d2b20633499523a /net/ieee802154
parentb8d9705751d2a336e4a933c8bf14adba33c3f069 (diff)
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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.c3
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;