ieee802154: hwsim: fix GPF in hwsim_set_edge_lqi

[ Upstream commit e9faf53c5a5d01f6f2a09ae28ec63a3bbd6f64fd ]

Both MAC802154_HWSIM_ATTR_RADIO_ID and MAC802154_HWSIM_ATTR_RADIO_EDGE,
MAC802154_HWSIM_EDGE_ATTR_ENDPOINT_ID and MAC802154_HWSIM_EDGE_ATTR_LQI
must be present to fix GPF.

Fixes: f25da51fdc38 ("ieee802154: hwsim: add replacement for fakelb")
Signed-off-by: Dongliang Mu <mudongliangabcd@gmail.com>
Acked-by: Alexander Aring <aahringo@redhat.com>
Link: https://lore.kernel.org/r/20210705131321.217111-1-mudongliangabcd@gmail.com
Signed-off-by: Stefan Schmidt <stefan@datenfreihafen.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>

diff --git a/drivers/net/ieee802154/mac802154_hwsim.c b/drivers/net/ieee802154/mac802154_hwsim.c
index 06aadebc2d5baf98dd9e0b5d712f78957993b102..82f3fbda7dfeb3138aa33dbb1be2ec8fdea63139 100644 (file)
--- a/drivers/net/ieee802154/mac802154_hwsim.c
+++ b/drivers/net/ieee802154/mac802154_hwsim.c
@@ -546,7 +546,7 @@ static int hwsim_set_edge_lqi(struct sk_buff *msg, struct genl_info *info)
        u32 v0, v1;
        u8 lqi;
 
-       if (!info->attrs[MAC802154_HWSIM_ATTR_RADIO_ID] &&
+       if (!info->attrs[MAC802154_HWSIM_ATTR_RADIO_ID] ||
            !info->attrs[MAC802154_HWSIM_ATTR_RADIO_EDGE])
                return -EINVAL;
 
@@ -555,7 +555,7 @@ static int hwsim_set_edge_lqi(struct sk_buff *msg, struct genl_info *info)
                             hwsim_edge_policy, NULL))
                return -EINVAL;
 
-       if (!edge_attrs[MAC802154_HWSIM_EDGE_ATTR_ENDPOINT_ID] &&
+       if (!edge_attrs[MAC802154_HWSIM_EDGE_ATTR_ENDPOINT_ID] ||
            !edge_attrs[MAC802154_HWSIM_EDGE_ATTR_LQI])
                return -EINVAL;