Re: [PATCH v2 3/5] staging: vc04_services: Do not log error on kzalloc()

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Quoting Umang Jain (2024-03-21 13:07:35)
> Do not log any error for kzalloc() error path. kzalloc() already reports
> such errors.
> 
> Signed-off-by: Umang Jain <umang.jain@xxxxxxxxxxxxxxxx>

Given I read lately how I don't think these can actually ever fail:
 - https://lwn.net/Articles/964793/
 and 
 - https://lwn.net/Articles/723317/
 - https://lwn.net/Articles/627419

Removing these messages seems fine to me.

Reviewed-by: Kieran Bingham <kieran.bingham@xxxxxxxxxxxxxxxx>

> ---
>  .../staging/vc04_services/interface/vchiq_arm/vchiq_arm.c    | 5 +----
>  1 file changed, 1 insertion(+), 4 deletions(-)
> 
> 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 b3021739b170..ad506016fc93 100644
> --- a/drivers/staging/vc04_services/interface/vchiq_arm/vchiq_arm.c
> +++ b/drivers/staging/vc04_services/interface/vchiq_arm/vchiq_arm.c
> @@ -690,7 +690,6 @@ int vchiq_initialise(struct vchiq_instance **instance_out)
>  
>         instance = kzalloc(sizeof(*instance), GFP_KERNEL);
>         if (!instance) {
> -               dev_err(state->dev, "core: %s: Cannot allocate vchiq instance\n", __func__);
>                 ret = -ENOMEM;
>                 goto failed;
>         }
> @@ -956,10 +955,8 @@ vchiq_blocking_bulk_transfer(struct vchiq_instance *instance, unsigned int handl
>                 }
>         } else {
>                 waiter = kzalloc(sizeof(*waiter), GFP_KERNEL);
> -               if (!waiter) {
> -                       dev_err(service->state->dev, "core: %s: - Out of memory\n", __func__);
> +               if (!waiter)
>                         return -ENOMEM;
> -               }
>         }
>  
>         status = vchiq_bulk_transfer(instance, handle, data, NULL, size,
> -- 
> 2.43.0
>





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