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authorAlexander Aring <aahringo@redhat.com>2021-04-05 02:30:49 +0200
committerStefan Schmidt <stefan@datenfreihafen.org>2021-04-06 22:24:08 +0200
commita347b3b394868fef15b16f143719df56184be81d (patch)
tree599f467d8765cdb6ea5f9cd7f3f76c3d628e6a40 /net/ieee802154
parentnet: ieee802154: stop dump llsec devkeys for monitors (diff)
downloadlinux-a347b3b394868fef15b16f143719df56184be81d.tar.xz
linux-a347b3b394868fef15b16f143719df56184be81d.zip
net: ieee802154: forbid monitor for add llsec devkey
This patch forbids to add 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/20210405003054.256017-11-aahringo@redhat.com Signed-off-by: Stefan Schmidt <stefan@datenfreihafen.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 6f9cb6c0cafc..c3f9bff7a557 100644
--- a/net/ieee802154/nl802154.c
+++ b/net/ieee802154/nl802154.c
@@ -1915,6 +1915,9 @@ static int nl802154_add_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) < 0)
return -EINVAL;