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| author | Alexander Aring <aahringo@redhat.com> | 2021-04-04 20:30:47 -0400 |
|---|---|---|
| committer | Stefan Schmidt <stefan@datenfreihafen.org> | 2021-04-06 22:19:10 +0200 |
| commit | ad8f9de1f3566686af35b1c6b43240726541da61 (patch) | |
| tree | d751b44c5987d92fa41dc1e59a19637fe47fa076 /net | |
| parent | 5303f956b05a2886ff42890908156afaec0f95ac (diff) | |
| download | linux-stable-ad8f9de1f3566686af35b1c6b43240726541da61.tar.gz linux-stable-ad8f9de1f3566686af35b1c6b43240726541da61.tar.bz2 linux-stable-ad8f9de1f3566686af35b1c6b43240726541da61.zip | |
net: ieee802154: forbid monitor for del llsec dev
This patch forbids to del 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/20210405003054.256017-9-aahringo@redhat.com
Signed-off-by: Stefan Schmidt <stefan@datenfreihafen.org>
Diffstat (limited to 'net')
| -rw-r--r-- | net/ieee802154/nl802154.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/net/ieee802154/nl802154.c b/net/ieee802154/nl802154.c index 0d7dc9478b56..17c782d4cdae 100644 --- a/net/ieee802154/nl802154.c +++ b/net/ieee802154/nl802154.c @@ -1781,6 +1781,9 @@ static int nl802154_del_llsec_dev(struct sk_buff *skb, struct genl_info *info) struct nlattr *attrs[NL802154_DEV_ATTR_MAX + 1]; __le64 extended_addr; + if (wpan_dev->iftype == NL802154_IFTYPE_MONITOR) + return -EOPNOTSUPP; + if (!info->attrs[NL802154_ATTR_SEC_DEVICE] || nla_parse_nested_deprecated(attrs, NL802154_DEV_ATTR_MAX, info->attrs[NL802154_ATTR_SEC_DEVICE], nl802154_dev_policy, info->extack)) return -EINVAL; |