[PATCH 2/2] drm/sched: Return an error code only as a constant in drm_sched_init()

Markus Elfring posted 2 patches 2 years ago
[PATCH 2/2] drm/sched: Return an error code only as a constant in drm_sched_init()
Posted by Markus Elfring 2 years ago
From: Markus Elfring <elfring@users.sourceforge.net>
Date: Tue, 26 Dec 2023 16:37:37 +0100

Return an error code without storing it in an intermediate variable.

Signed-off-by: Markus Elfring <elfring@users.sourceforge.net>
---
 drivers/gpu/drm/scheduler/sched_main.c | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/drivers/gpu/drm/scheduler/sched_main.c b/drivers/gpu/drm/scheduler/sched_main.c
index b99d4e9ff109..1abbcdf38430 100644
--- a/drivers/gpu/drm/scheduler/sched_main.c
+++ b/drivers/gpu/drm/scheduler/sched_main.c
@@ -1249,7 +1249,7 @@ int drm_sched_init(struct drm_gpu_scheduler *sched,
 		   long timeout, struct workqueue_struct *timeout_wq,
 		   atomic_t *score, const char *name, struct device *dev)
 {
-	int i, ret;
+	int i;

 	sched->ops = ops;
 	sched->credit_limit = credit_limit;
@@ -1285,7 +1285,7 @@ int drm_sched_init(struct drm_gpu_scheduler *sched,

 		sched->own_submit_wq = true;
 	}
-	ret = -ENOMEM;
+
 	sched->sched_rq = kmalloc_array(num_rqs, sizeof(*sched->sched_rq),
 					GFP_KERNEL | __GFP_ZERO);
 	if (!sched->sched_rq)
@@ -1321,7 +1321,7 @@ int drm_sched_init(struct drm_gpu_scheduler *sched,
 	if (sched->own_submit_wq)
 		destroy_workqueue(sched->submit_wq);
 	drm_err(sched, "%s: Failed to setup GPU scheduler--out of memory\n", __func__);
-	return ret;
+	return -ENOMEM;
 }
 EXPORT_SYMBOL(drm_sched_init);

--
2.43.0
Re: [PATCH 2/2] drm/sched: Return an error code only as a constant in drm_sched_init()
Posted by Luben Tuikov 1 year, 11 months ago
On 2023-12-26 10:58, Markus Elfring wrote:
> From: Markus Elfring <elfring@users.sourceforge.net>
> Date: Tue, 26 Dec 2023 16:37:37 +0100
> 
> Return an error code without storing it in an intermediate variable.
> 
> Signed-off-by: Markus Elfring <elfring@users.sourceforge.net>

Thank you Markus for this patch.

Reviewed-by: Luben Tuikov <ltuikov89@gmail.com>

Pushed to drm-misc-next.
-- 
Regards,
Luben

> ---
>  drivers/gpu/drm/scheduler/sched_main.c | 6 +++---
>  1 file changed, 3 insertions(+), 3 deletions(-)
> 
> diff --git a/drivers/gpu/drm/scheduler/sched_main.c b/drivers/gpu/drm/scheduler/sched_main.c
> index b99d4e9ff109..1abbcdf38430 100644
> --- a/drivers/gpu/drm/scheduler/sched_main.c
> +++ b/drivers/gpu/drm/scheduler/sched_main.c
> @@ -1249,7 +1249,7 @@ int drm_sched_init(struct drm_gpu_scheduler *sched,
>  		   long timeout, struct workqueue_struct *timeout_wq,
>  		   atomic_t *score, const char *name, struct device *dev)
>  {
> -	int i, ret;
> +	int i;
> 
>  	sched->ops = ops;
>  	sched->credit_limit = credit_limit;
> @@ -1285,7 +1285,7 @@ int drm_sched_init(struct drm_gpu_scheduler *sched,
> 
>  		sched->own_submit_wq = true;
>  	}
> -	ret = -ENOMEM;
> +
>  	sched->sched_rq = kmalloc_array(num_rqs, sizeof(*sched->sched_rq),
>  					GFP_KERNEL | __GFP_ZERO);
>  	if (!sched->sched_rq)
> @@ -1321,7 +1321,7 @@ int drm_sched_init(struct drm_gpu_scheduler *sched,
>  	if (sched->own_submit_wq)
>  		destroy_workqueue(sched->submit_wq);
>  	drm_err(sched, "%s: Failed to setup GPU scheduler--out of memory\n", __func__);
> -	return ret;
> +	return -ENOMEM;
>  }
>  EXPORT_SYMBOL(drm_sched_init);
> 
> --
> 2.43.0
>