From: Alexander Aring Date: Mon, 5 Apr 2021 00:30:52 +0000 (-0400) Subject: net: ieee802154: forbid monitor for add llsec seclevel X-Git-Tag: v5.15~1408^2~12^2~3 X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=9ec87e322428d4734ac647d1a8e507434086993d;p=platform%2Fkernel%2Flinux-starfive.git net: ieee802154: forbid monitor for add llsec seclevel This patch forbids to add llsec seclevel 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/20210405003054.256017-14-aahringo@redhat.com Signed-off-by: Stefan Schmidt --- diff --git a/net/ieee802154/nl802154.c b/net/ieee802154/nl802154.c index 9158b09..28427ce 100644 --- a/net/ieee802154/nl802154.c +++ b/net/ieee802154/nl802154.c @@ -2115,6 +2115,9 @@ static int nl802154_add_llsec_seclevel(struct sk_buff *skb, struct wpan_dev *wpan_dev = dev->ieee802154_ptr; struct ieee802154_llsec_seclevel sl; + if (wpan_dev->iftype == NL802154_IFTYPE_MONITOR) + return -EOPNOTSUPP; + if (llsec_parse_seclevel(info->attrs[NL802154_ATTR_SEC_LEVEL], &sl) < 0) return -EINVAL;