[PATCH] ieee802154: hwsim: fix GPF in hwsim_set_edge_lqi
From: Dongliang Mu <hidden>
Date: 2021-07-05 13:13:54
Also in:
lkml
Subsystem:
ieee 802.15.4 subsystem, networking drivers, the rest · Maintainers:
Alexander Aring, Stefan Schmidt, Miquel Raynal, Andrew Lunn, "David S. Miller", Eric Dumazet, Jakub Kicinski, Paolo Abeni, Linus Torvalds
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 <redacted>
---
drivers/net/ieee802154/mac802154_hwsim.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/drivers/net/ieee802154/mac802154_hwsim.c b/drivers/net/ieee802154/mac802154_hwsim.c
index ebc976b7fcc2..cae52bfb871e 100644
--- a/drivers/net/ieee802154/mac802154_hwsim.c
+++ b/drivers/net/ieee802154/mac802154_hwsim.c@@ -528,14 +528,14 @@ 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; if (nla_parse_nested_deprecated(edge_attrs, MAC802154_HWSIM_EDGE_ATTR_MAX, info->attrs[MAC802154_HWSIM_ATTR_RADIO_EDGE], 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;
--
2.25.1