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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>
This commit is contained in:
Alexander Aring 2021-04-04 20:30:52 -04:00 committed by Stefan Schmidt
parent 4c9b4f55ad
commit 9ec87e3224
1 changed files with 3 additions and 0 deletions
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3
net/ieee802154/nl802154.c
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@ -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;