diff mbox series

[RESEND,wpan,02/15] net: ieee802154: forbid monitor for set llsec params

Message ID 20210405003054.256017-3-aahringo@redhat.com (mailing list archive)
State Accepted
Headers show
Series net: ieee802154: forbid sec params for monitors | expand

Commit Message

Alexander Aring April 5, 2021, 12:30 a.m. UTC 
This patch forbids to set llsec params for monitor interfaces which we
don't support yet.

Reported-by: syzbot+8b6719da8a04beeafcc3@syzkaller.appspotmail.com
Signed-off-by: Alexander Aring <aahringo@redhat.com>
---
 net/ieee802154/nl802154.c | 3 +++
 1 file changed, 3 insertions(+)
diff mbox series

Patch

diff --git a/net/ieee802154/nl802154.c b/net/ieee802154/nl802154.c
index 1600edb98107..ce8956f31ef9 100644
--- a/net/ieee802154/nl802154.c
+++ b/net/ieee802154/nl802154.c
@@ -1384,6 +1384,9 @@  static int nl802154_set_llsec_params(struct sk_buff *skb,
 	u32 changed = 0;
 	int ret;
 
+	if (wpan_dev->iftype == NL802154_IFTYPE_MONITOR)
+		return -EOPNOTSUPP;
+
 	if (info->attrs[NL802154_ATTR_SEC_ENABLED]) {
 		u8 enabled;