[PATCH 4.19 07/84] ieee802154: hwsim: fix GPF in hwsim_new_edge_nl

[Sasha Levin]

From: Dongliang Mu <mudongliangabcd@xxxxxxxxx>

[ Upstream commit 889d0e7dc68314a273627d89cbb60c09e1cc1c25 ]

Both MAC802154_HWSIM_ATTR_RADIO_ID and MAC802154_HWSIM_ATTR_RADIO_EDGE
must be present to fix GPF.

Fixes: f25da51fdc38 ("ieee802154: hwsim: add replacement for fakelb")
Signed-off-by: Dongliang Mu <mudongliangabcd@xxxxxxxxx>
Acked-by: Alexander Aring <aahringo@xxxxxxxxxx>
Link: https://lore.kernel.org/r/20210707155633.1486603-1-mudongliangabcd@xxxxxxxxx
Signed-off-by: Stefan Schmidt <stefan@xxxxxxxxxxxxxxxxxx>
Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>
---
 drivers/net/ieee802154/mac802154_hwsim.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/net/ieee802154/mac802154_hwsim.c b/drivers/net/ieee802154/mac802154_hwsim.c
index 82f3fbda7dfe..ed60e691cc2b 100644
--- a/drivers/net/ieee802154/mac802154_hwsim.c
+++ b/drivers/net/ieee802154/mac802154_hwsim.c
@@ -432,7 +432,7 @@ static int hwsim_new_edge_nl(struct sk_buff *msg, struct genl_info *info)
 	struct hwsim_edge *e;
 	u32 v0, v1;
 
-	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;
 
-- 
2.30.2