From ad8f9de1f3566686af35b1c6b43240726541da61 Mon Sep 17 00:00:00 2001 From: Alexander Aring Date: Sun, 4 Apr 2021 20:30:47 -0400 Subject: net: ieee802154: forbid monitor for del llsec dev This patch forbids to del llsec dev 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 Link: https://lore.kernel.org/r/20210405003054.256017-9-aahringo@redhat.com Signed-off-by: Stefan Schmidt --- net/ieee802154/nl802154.c | 3 +++ 1 file changed, 3 insertions(+) (limited to 'net/ieee802154') diff --git a/net/ieee802154/nl802154.c b/net/ieee802154/nl802154.c index 0d7dc9478b56..17c782d4cdae 100644 --- a/net/ieee802154/nl802154.c +++ b/net/ieee802154/nl802154.c @@ -1781,6 +1781,9 @@ static int nl802154_del_llsec_dev(struct sk_buff *skb, struct genl_info *info) struct nlattr *attrs[NL802154_DEV_ATTR_MAX + 1]; __le64 extended_addr; + if (wpan_dev->iftype == NL802154_IFTYPE_MONITOR) + return -EOPNOTSUPP; + if (!info->attrs[NL802154_ATTR_SEC_DEVICE] || nla_parse_nested_deprecated(attrs, NL802154_DEV_ATTR_MAX, info->attrs[NL802154_ATTR_SEC_DEVICE], nl802154_dev_policy, info->extack)) return -EINVAL; -- cgit