[PATCH 4.19 104/287] Bluetooth: hci_intel: Add check for platform_driver_register

From: Greg Kroah-Hartman
Date: Tue Aug 23 2022 - 06:43:06 EST


From: Jiasheng Jiang <jiasheng@xxxxxxxxxxx>

[ Upstream commit ab2d2a982ff721f4b029282d9a40602ea46a745e ]

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@xxxxxxxxxxx>
Signed-off-by: Marcel Holtmann <marcel@xxxxxxxxxxxx>
Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>
---
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 e9228520e4c7..727fa4347b1e 100644
--- a/drivers/bluetooth/hci_intel.c
+++ b/drivers/bluetooth/hci_intel.c
@@ -1253,7 +1253,11 @@ static struct platform_driver intel_driver = {

int __init intel_init(void)
{
- platform_driver_register(&intel_driver);
+ int err;
+
+ err = platform_driver_register(&intel_driver);
+ if (err)
+ return err;

return hci_uart_register_proto(&intel_proto);
}
--
2.35.1