mt76: mt7615: Use kmemdup in mt7615_queue_key_update()

Use kmemdup rather than duplicating its implementation

Signed-off-by: YueHaibing <yuehaibing@huawei.com>
Signed-off-by: Felix Fietkau <nbd@nbd.name>

diff --git a/drivers/net/wireless/mediatek/mt76/mt7615/main.c b/drivers/net/wireless/mediatek/mt76/mt7615/main.c
index 320dfda..c26f99b 100644 (file)
--- a/drivers/net/wireless/mediatek/mt76/mt7615/main.c
+++ b/drivers/net/wireless/mediatek/mt76/mt7615/main.c
@@ -290,12 +290,11 @@ 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;