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From:   Greg Kroah-Hartman <gregkh@linuxfoundation.org>
To:     linux-kernel@vger.kernel.org
Cc:     Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
        stable@vger.kernel.org, Sean Wang <sean.wang@mediatek.com>,
        Mark Chen <mark-yw.chen@mediatek.com>,
        Marcel Holtmann <marcel@holtmann.org>
Subject: [PATCH 5.16 0917/1039] Bluetooth: btusb: Return error code when getting patch status failed
Date:   Mon, 24 Jan 2022 19:45:06 +0100
Message-Id: <20220124184156.119846200@linuxfoundation.org>
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From: Mark Chen <mark-yw.chen@mediatek.com>

commit 995d948cf2e45834275f07afc1c9881a9902e73c upstream.

If there are failure cases in getting patch status, it should return the
error code (-EIO).

Fixes: fc342c4dc4087 ("Bluetooth: btusb: Add protocol support for MediaTek MT7921U USB devices")
Co-developed-by: Sean Wang <sean.wang@mediatek.com>
Signed-off-by: Sean Wang <sean.wang@mediatek.com>
Signed-off-by: Mark Chen <mark-yw.chen@mediatek.com>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
 drivers/bluetooth/btusb.c |    1 +
 1 file changed, 1 insertion(+)

--- a/drivers/bluetooth/btusb.c
+++ b/drivers/bluetooth/btusb.c
@@ -2600,6 +2600,7 @@ static int btusb_mtk_setup_firmware_79xx
 				} else {
 					bt_dev_err(hdev, "Failed wmt patch dwnld status (%d)",
 						   status);
+					err = -EIO;
 					goto err_release_fw;
 				}
 			}