[PATCH] mt76: mt7615: remove key check in mt7615_mcu_set_wtbl_key

[Lorenzo Bianconi]

Do not check key pointer in mt7615_mcu_set_wtbl_key since if set_key_cmd
is SET_KEY, key will be always not NULL. This patch will address a false
positive reported by Coverity-Scan

Addresses-Coverity-ID: 1445463 ("Dereference after null check")
Signed-off-by: Lorenzo Bianconi <lore...@kernel.org>
---
This patch is based on 'mt76: mt7615: fix slow performance when enable
encryption'
https://patchwork.kernel.org/patch/10972385/
---
 drivers/net/wireless/mediatek/mt76/mt7615/mcu.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/net/wireless/mediatek/mt76/mt7615/mcu.c 
b/drivers/net/wireless/mediatek/mt76/mt7615/mcu.c
index d104435cd901..7a41c37e7460 100644
--- a/drivers/net/wireless/mediatek/mt76/mt7615/mcu.c
+++ b/drivers/net/wireless/mediatek/mt76/mt7615/mcu.c
@@ -879,7 +879,7 @@ int mt7615_mcu_set_wtbl_key(struct mt7615_dev *dev, int 
wcid,
                u8 cipher;
 
                cipher = mt7615_get_key_info(key, req.key.key_material);
-               if (cipher == MT_CIPHER_NONE && key)
+               if (cipher == MT_CIPHER_NONE)
                        return -EOPNOTSUPP;
 
                req.key.rkv = 1;
-- 
2.21.0