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authorAlexander Aring <aahringo@redhat.com>2021-04-05 02:30:46 +0200
committerStefan Schmidt <stefan@datenfreihafen.org>2021-04-06 22:12:41 +0200
commit5303f956b05a2886ff42890908156afaec0f95ac (patch)
treea09a4c5f1f9288075e169684b3116a80b0658b8c /net
parentnet: ieee802154: stop dump llsec devs for monitors (diff)
downloadlinux-5303f956b05a2886ff42890908156afaec0f95ac.tar.xz
linux-5303f956b05a2886ff42890908156afaec0f95ac.zip
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')
-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;