linux-kernel - [PATCH] iBluetooth: hci_intel: Add check for platform_driver

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Message-Id: <20220531033228.1939386-1-jiasheng@iscas.ac.cn>
Date:   Tue, 31 May 2022 11:32:28 +0800
From:   Jiasheng Jiang <jiasheng@...as.ac.cn>
To:     marcel@...tmann.org, johan.hedberg@...il.com, luiz.dentz@...il.com
Cc:     linux-bluetooth@...r.kernel.org, linux-kernel@...r.kernel.org,
        Jiasheng Jiang <jiasheng@...as.ac.cn>
Subject: [PATCH] iBluetooth: hci_intel: Add check for platform_driver_register

As platform_driver_register() could fail, it should be better
to deal with the return value in order to maintain the code
consisitency.

Fixes: 1ab1f239bf17 ("Bluetooth: hci_intel: Add support for platform driver")
Signed-off-by: Jiasheng Jiang <jiasheng@...as.ac.cn>
---
 drivers/bluetooth/hci_intel.c | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/drivers/bluetooth/hci_intel.c b/drivers/bluetooth/hci_intel.c
index 7249b91d9b91..d4801b26cc8e 100644
--- a/drivers/bluetooth/hci_intel.c
+++ b/drivers/bluetooth/hci_intel.c
@@ -1217,7 +1217,11 @@ static struct platform_driver intel_driver = {
 
 int __init intel_init(void)
 {
-	platform_driver_register(&intel_driver);
+	int ret;
+
+	ret = platform_driver_register(&intel_driver);
+	if (ret)
+		return ret;
 
 	return hci_uart_register_proto(&intel_proto);
 }
-- 
2.25.1