[PATCH] staging: vchiq: call unregister_chrdev_region() when driver registration fails

[PATCH] staging: vchiq: call unregister_chrdev_region() when driver registration fails

[Marcelo Diop-Gonzalez]

This undoes the previous call to alloc_chrdev_region() on failure,
and is probably what was meant originally given the label name.

Signed-off-by: Marcelo Diop-Gonzalez <marcgonzalez@google.com>
---
 drivers/staging/vc04_services/interface/vchiq_arm/vchiq_arm.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/staging/vc04_services/interface/vchiq_arm/vchiq_arm.c b/drivers/staging/vc04_services/interface/vchiq_arm/vchiq_arm.c
index 02148a24818a..4458c1e60fa3 100644
--- a/drivers/staging/vc04_services/interface/vchiq_arm/vchiq_arm.c
+++ b/drivers/staging/vc04_services/interface/vchiq_arm/vchiq_arm.c
@@ -3309,7 +3309,7 @@ static int __init vchiq_driver_init(void)
 	return 0;
 
 region_unregister:
-	platform_driver_unregister(&vchiq_driver);
+	unregister_chrdev_region(vchiq_devid, 1);
 
 class_destroy:
 	class_destroy(vchiq_class);
-- 
2.20.1

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Re: [PATCH] staging: vchiq: call unregister_chrdev_region() when driver registration fails

[Dan Carpenter]

On Tue, Dec 03, 2019 at 10:39:21AM -0500, Marcelo Diop-Gonzalez wrote:
> This undoes the previous call to alloc_chrdev_region() on failure,
> and is probably what was meant originally given the label name.
> 
> Signed-off-by: Marcelo Diop-Gonzalez <marcgonzalez@google.com>

Fixes: 187ac53e590c ("staging: vchiq_arm: rework probe and init functions")
Reviewed-by: Dan Carpenter <dan.carpenter@oracle.com>

Thanks!

regards,
dan carpenter

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Re: [PATCH] staging: vchiq: call unregister_chrdev_region() when driver registration fails

[Nicolas Saenz Julienne]

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On Tue, 2019-12-03 at 10:39 -0500, Marcelo Diop-Gonzalez wrote:
> This undoes the previous call to alloc_chrdev_region() on failure,
> and is probably what was meant originally given the label name.
> 
> Signed-off-by: Marcelo Diop-Gonzalez <marcgonzalez@google.com>
> ---
>  drivers/staging/vc04_services/interface/vchiq_arm/vchiq_arm.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/drivers/staging/vc04_services/interface/vchiq_arm/vchiq_arm.c
> b/drivers/staging/vc04_services/interface/vchiq_arm/vchiq_arm.c
> index 02148a24818a..4458c1e60fa3 100644
> --- a/drivers/staging/vc04_services/interface/vchiq_arm/vchiq_arm.c
> +++ b/drivers/staging/vc04_services/interface/vchiq_arm/vchiq_arm.c
> @@ -3309,7 +3309,7 @@ static int __init vchiq_driver_init(void)
>  	return 0;
>  
>  region_unregister:
> -	platform_driver_unregister(&vchiq_driver);
> +	unregister_chrdev_region(vchiq_devid, 1);
>  
>  class_destroy:
>  	class_destroy(vchiq_class);

Thanks!

Reviewed-by: Nicolas Saenz Julienne <nsaenzjulienne@suse.de>


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