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authorAlexander Aring <aahringo@redhat.com>2021-04-05 03:30:46 +0300
committerStefan Schmidt <stefan@datenfreihafen.org>2021-04-06 23:12:41 +0300
commit5303f956b05a2886ff42890908156afaec0f95ac (patch)
treea09a4c5f1f9288075e169684b3116a80b0658b8c /net/ieee802154
parent5582d641e6740839c9b83efd1fbf9bcd00b6f5fc (diff)
downloadlinux-5303f956b05a2886ff42890908156afaec0f95ac.tar.xz
net: ieee802154: forbid monitor for add llsec dev
This patch forbids to add 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/20210405003054.256017-8-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 ef0becc9faa7..0d7dc9478b56 100644
--- a/net/ieee802154/nl802154.c
+++ b/net/ieee802154/nl802154.c
@@ -1763,6 +1763,9 @@ static int nl802154_add_llsec_dev(struct sk_buff *skb, struct genl_info *info)
struct wpan_dev *wpan_dev = dev->ieee802154_ptr;
struct ieee802154_llsec_device dev_desc;
+ if (wpan_dev->iftype == NL802154_IFTYPE_MONITOR)
+ return -EOPNOTSUPP;
+
if (ieee802154_llsec_parse_device(info->attrs[NL802154_ATTR_SEC_DEVICE],
&dev_desc) < 0)
return -EINVAL;