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Miller" , Jakub Kicinski Cc: Dongliang Mu , Alexander Aring , linux-wpan@vger.kernel.org, netdev@vger.kernel.org, linux-kernel@vger.kernel.org Subject: [PATCH] ieee802154: hwsim: fix GPF in hwsim_set_edge_lqi Date: Mon, 5 Jul 2021 21:13:20 +0800 Message-Id: <20210705131321.217111-1-mudongliangabcd@gmail.com> X-Mailer: git-send-email 2.25.1 MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org X-Patchwork-Delegate: kuba@kernel.org 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 Acked-by: Alexander Aring --- 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;