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authorAlexander Aring <aahringo@redhat.com>2021-04-05 03:30:47 +0300
committerStefan Schmidt <stefan@datenfreihafen.org>2021-04-06 23:19:10 +0300
commitad8f9de1f3566686af35b1c6b43240726541da61 (patch)
treed751b44c5987d92fa41dc1e59a19637fe47fa076 /net/ieee802154
parent5303f956b05a2886ff42890908156afaec0f95ac (diff)
downloadlinux-ad8f9de1f3566686af35b1c6b43240726541da61.tar.xz
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 <aahringo@redhat.com> Link: https://lore.kernel.org/r/20210405003054.256017-9-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 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;