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| author | Alexander Aring <aahringo@redhat.com> | 2021-04-04 20:30:47 -0400 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2021-04-21 13:00:53 +0200 |
| commit | 4c1775d6ea86e7b72f6bd2028e226c1389d0b2cd (patch) | |
| tree | a4469c8e817716c1293e178882beb1f6cd316856 | |
| parent | 813b13155d14c4cdcaf8085c3d2f0ff9cec60f53 (diff) | |
| download | linux-stable-4c1775d6ea86e7b72f6bd2028e226c1389d0b2cd.tar.gz linux-stable-4c1775d6ea86e7b72f6bd2028e226c1389d0b2cd.tar.bz2 linux-stable-4c1775d6ea86e7b72f6bd2028e226c1389d0b2cd.zip | |
net: ieee802154: forbid monitor for del llsec dev
[ Upstream commit ad8f9de1f3566686af35b1c6b43240726541da61 ]
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>
Signed-off-by: Sasha Levin <sashal@kernel.org>
| -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 c8576dc0686d..da4bd6bc4567 100644 --- a/net/ieee802154/nl802154.c +++ b/net/ieee802154/nl802154.c @@ -1786,6 +1786,9 @@ 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; |