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authorAlexander Aring <aahringo@redhat.com>2021-04-05 03:30:44 +0300
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2021-04-21 14:00:53 +0300
commit08744a622faab1fb4501479bf45a33a334237ec1 (patch)
treed70f909d7b2894350257399985f0119367fc64a4 /net/ieee802154/nl802154.c
parent7edf4d2baa8a19a829475c2fbe0a9f42c628385a (diff)
downloadlinux-08744a622faab1fb4501479bf45a33a334237ec1.tar.xz
net: ieee802154: forbid monitor for del llsec key
[ Upstream commit b6e2949544a183f590ae6f3ef2d1aaaa2c44e38a ] This patch forbids to del llsec key 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/20210405003054.256017-6-aahringo@redhat.com Signed-off-by: Stefan Schmidt <stefan@datenfreihafen.org> Signed-off-by: Sasha Levin <sashal@kernel.org>
Diffstat (limited to 'net/ieee802154/nl802154.c')
-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 6036516ddb9e..47c57347ab7f 100644
--- a/net/ieee802154/nl802154.c
+++ b/net/ieee802154/nl802154.c
@@ -1609,6 +1609,9 @@ static int nl802154_del_llsec_key(struct sk_buff *skb, struct genl_info *info)
struct nlattr *attrs[NL802154_KEY_ATTR_MAX + 1];
struct ieee802154_llsec_key_id id;
+ if (wpan_dev->iftype == NL802154_IFTYPE_MONITOR)
+ return -EOPNOTSUPP;
+
if (!info->attrs[NL802154_ATTR_SEC_KEY] ||
nla_parse_nested_deprecated(attrs, NL802154_KEY_ATTR_MAX, info->attrs[NL802154_ATTR_SEC_KEY], nl802154_key_policy, info->extack))
return -EINVAL;