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* [PATCH] bluetooth: hci_intel: Check for driver register failure
@ 2018-12-28 19:53 Aditya Pakki
  2019-01-18 11:00 ` Marcel Holtmann
  0 siblings, 1 reply; 2+ messages in thread
From: Aditya Pakki @ 2018-12-28 19:53 UTC (permalink / raw)
  To: pakki001
  Cc: kjlu, Marcel Holtmann, Johan Hedberg, linux-bluetooth, linux-kernel

While initializing the driver, the function platform_driver_register can
fail and return an error. Consistent with other invocations, this patch
returns the error upstream.

Signed-off-by: Aditya Pakki <pakki001@umn.edu>
---
 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 f31410526c57..8450389a2017 100644
--- a/drivers/bluetooth/hci_intel.c
+++ b/drivers/bluetooth/hci_intel.c
@@ -1242,7 +1242,11 @@ static struct platform_driver intel_driver = {
 
 int __init intel_init(void)
 {
-	platform_driver_register(&intel_driver);
+	int rc;
+
+	rc = platform_driver_register(&intel_driver);
+	if (rc)
+		return rc;
 
 	return hci_uart_register_proto(&intel_proto);
 }
-- 
2.17.1


^ permalink raw reply	[flat|nested] 2+ messages in thread

* Re: [PATCH] bluetooth: hci_intel: Check for driver register failure
  2018-12-28 19:53 [PATCH] bluetooth: hci_intel: Check for driver register failure Aditya Pakki
@ 2019-01-18 11:00 ` Marcel Holtmann
  0 siblings, 0 replies; 2+ messages in thread
From: Marcel Holtmann @ 2019-01-18 11:00 UTC (permalink / raw)
  To: Aditya Pakki; +Cc: kjlu, Johan Hedberg, linux-bluetooth, linux-kernel

Hi Aditya,

> While initializing the driver, the function platform_driver_register can
> fail and return an error. Consistent with other invocations, this patch
> returns the error upstream.
> 
> Signed-off-by: Aditya Pakki <pakki001@umn.edu>
> ---
> 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 f31410526c57..8450389a2017 100644
> --- a/drivers/bluetooth/hci_intel.c
> +++ b/drivers/bluetooth/hci_intel.c
> @@ -1242,7 +1242,11 @@ static struct platform_driver intel_driver = {
> 
> int __init intel_init(void)
> {
> -	platform_driver_register(&intel_driver);
> +	int rc;
> +
> +	rc = platform_driver_register(&intel_driver);
> +	if (rc)
> +		return rc;

same here. Let this fail since even if it fails, the rest of the driver will be still functioning.

Regards

Marcel


^ permalink raw reply	[flat|nested] 2+ messages in thread

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2018-12-28 19:53 [PATCH] bluetooth: hci_intel: Check for driver register failure Aditya Pakki
2019-01-18 11:00 ` Marcel Holtmann

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