[PATCH] mt76: mt7615: Use kmemdup in mt7615_queue_key_update()

[YueHaibing]

Use kmemdup rather than duplicating its implementation

Signed-off-by: YueHaibing <yuehaib...@huawei.com>
---
 drivers/net/wireless/mediatek/mt76/mt7615/main.c | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/drivers/net/wireless/mediatek/mt76/mt7615/main.c 
b/drivers/net/wireless/mediatek/mt76/mt7615/main.c
index 2e9e9d3519d7..c32f06c85f0f 100644
--- a/drivers/net/wireless/mediatek/mt76/mt7615/main.c
+++ b/drivers/net/wireless/mediatek/mt76/mt7615/main.c
@@ -289,12 +289,11 @@ mt7615_queue_key_update(struct mt7615_dev *dev, enum 
set_key_cmd cmd,
        wd->type = MT7615_WTBL_KEY_DESC;
        wd->sta = msta;
 
-       wd->key.key = kzalloc(key->keylen, GFP_KERNEL);
+       wd->key.key = kmemdup(key->key, key->keylen, GFP_KERNEL);
        if (!wd->key.key) {
                kfree(wd);
                return -ENOMEM;
        }
-       memcpy(wd->key.key, key->key, key->keylen);
        wd->key.cipher = key->cipher;
        wd->key.keyidx = key->keyidx;
        wd->key.keylen = key->keylen;