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authorAlexander Aring <aahringo@redhat.com>2021-04-05 02:30:50 +0200
committerStefan Schmidt <stefan@datenfreihafen.org>2021-04-06 22:26:29 +0200
commit6fb8045319ef172dc88a8142e7f8b58c7608137e (patch)
tree583e0f9cc7a79c7a8beb7db7b59e491d8ca3abf7 /net
parentnet: ieee802154: forbid monitor for add llsec devkey (diff)
downloadlinux-6fb8045319ef172dc88a8142e7f8b58c7608137e.tar.xz
linux-6fb8045319ef172dc88a8142e7f8b58c7608137e.zip
net: ieee802154: forbid monitor for del llsec devkey
This patch forbids to del llsec devkey 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/20210405003054.256017-12-aahringo@redhat.com Signed-off-by: Stefan Schmidt <stefan@datenfreihafen.org>
Diffstat (limited to 'net')
-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 c3f9bff7a557..88735f03b73e 100644
--- a/net/ieee802154/nl802154.c
+++ b/net/ieee802154/nl802154.c
@@ -1949,6 +1949,9 @@ static int nl802154_del_llsec_devkey(struct sk_buff *skb, struct genl_info *info
struct ieee802154_llsec_device_key key;
__le64 extended_addr;
+ if (wpan_dev->iftype == NL802154_IFTYPE_MONITOR)
+ return -EOPNOTSUPP;
+
if (!info->attrs[NL802154_ATTR_SEC_DEVKEY] ||
nla_parse_nested_deprecated(attrs, NL802154_DEVKEY_ATTR_MAX, info->attrs[NL802154_ATTR_SEC_DEVKEY], nl802154_devkey_policy, info->extack))
return -EINVAL;