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authorAlexander Aring <aahringo@redhat.com>2021-04-04 20:30:52 -0400
committerStefan Schmidt <stefan@datenfreihafen.org>2021-04-06 22:30:50 +0200
commit9ec87e322428d4734ac647d1a8e507434086993d (patch)
tree98a27498a184985d17b8689ef6d57436225929a4 /net/ieee802154
parent4c9b4f55ad1f5a4b6206ac4ea58f273126d21925 (diff)
downloadlinux-9ec87e322428d4734ac647d1a8e507434086993d.tar.bz2
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 <aahringo@redhat.com> Link: https://lore.kernel.org/r/20210405003054.256017-14-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 9158b095ccf9..28427ce52a9b 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;