linux-kernel - [PATCH 5.16 06/37] Bluetooth: btusb: Fix application of sizeof to pointer

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Date:   Fri, 14 Jan 2022 09:16:20 +0100
From:   Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:     linux-kernel@...r.kernel.org
Cc:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        stable@...r.kernel.org, Zeal Robot <zealci@....com.cn>,
        David Yang <davidcomponentone@...il.com>,
        Marcel Holtmann <marcel@...tmann.org>
Subject: [PATCH 5.16 06/37] Bluetooth: btusb: Fix application of sizeof to pointer

From: David Yang <davidcomponentone@...il.com>

commit dc1650fc94a8566fb89f3fd14a26d1cec7865f16 upstream.

The coccinelle check report:
"./drivers/bluetooth/btusb.c:2239:36-42:
ERROR: application of sizeof to pointer".
Using the real size to fix it.

Fixes: 5a87679ffd443 ("Bluetooth: btusb: Support public address configuration for MediaTek Chip.")
Reported-by: Zeal Robot <zealci@....com.cn>
Signed-off-by: David Yang <davidcomponentone@...il.com>
Signed-off-by: Marcel Holtmann <marcel@...tmann.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@...uxfoundation.org>
---
 drivers/bluetooth/btusb.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

--- a/drivers/bluetooth/btusb.c
+++ b/drivers/bluetooth/btusb.c
@@ -2238,7 +2238,7 @@ static int btusb_set_bdaddr_mtk(struct h
 	struct sk_buff *skb;
 	long ret;
 
-	skb = __hci_cmd_sync(hdev, 0xfc1a, sizeof(bdaddr), bdaddr, HCI_INIT_TIMEOUT);
+	skb = __hci_cmd_sync(hdev, 0xfc1a, 6, bdaddr, HCI_INIT_TIMEOUT);
 	if (IS_ERR(skb)) {
 		ret = PTR_ERR(skb);
 		bt_dev_err(hdev, "changing Mediatek device address failed (%ld)",