From: Alexander Aring Date: Mon, 5 Apr 2021 00:30:47 +0000 (-0400) Subject: net: ieee802154: forbid monitor for del llsec dev X-Git-Tag: v5.12-rc7~13^2~12^2~8 X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=ad8f9de1f3566686af35b1c6b43240726541da61;p=thirdparty%2Flinux.git 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 --- diff --git a/net/ieee802154/nl802154.c b/net/ieee802154/nl802154.c index 0d7dc9478b56f..17c782d4cdae7 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;