Re: [PATCH 2/2] drm/tilcdc: panel: Use common error handling code in of_get_panel_info()

2018-02-14 Thread Jyri Sarha
On 06/02/18 23:24, SF Markus Elfring wrote:
> From: Markus Elfring 
> Date: Tue, 6 Feb 2018 22:10:11 +0100
> 
> Add a jump target so that a bit of exception handling can be better reused
> at the end of this function.
> 
> Signed-off-by: Markus Elfring 

Well, it is couple of lines less. If I would just have couple weeks time
to implement proper drm panel support for tilcdc and get rid of this
driver all together...

Picked for the next tilcdc pullrequest.

Thanks,
Jyri


> ---
>  drivers/gpu/drm/tilcdc/tilcdc_panel.c | 12 +---
>  1 file changed, 5 insertions(+), 7 deletions(-)
> 
> diff --git a/drivers/gpu/drm/tilcdc/tilcdc_panel.c 
> b/drivers/gpu/drm/tilcdc/tilcdc_panel.c
> index 0b6aa95aec89..cf9ca16fee81 100644
> --- a/drivers/gpu/drm/tilcdc/tilcdc_panel.c
> +++ b/drivers/gpu/drm/tilcdc/tilcdc_panel.c
> @@ -289,10 +289,8 @@ static struct tilcdc_panel_info 
> *of_get_panel_info(struct device_node *np)
>   }
>  
>   info = kzalloc(sizeof(*info), GFP_KERNEL);
> - if (!info) {
> - of_node_put(info_np);
> - return NULL;
> - }
> + if (!info)
> + goto put_node;
>  
>   ret |= of_property_read_u32(info_np, "ac-bias", &info->ac_bias);
>   ret |= of_property_read_u32(info_np, "ac-bias-intrpt", 
> &info->ac_bias_intrpt);
> @@ -311,11 +309,11 @@ static struct tilcdc_panel_info 
> *of_get_panel_info(struct device_node *np)
>   if (ret) {
>   pr_err("%s: error reading panel-info properties\n", __func__);
>   kfree(info);
> - of_node_put(info_np);
> - return NULL;
> + info = NULL;
>   }
> - of_node_put(info_np);
>  
> +put_node:
> + of_node_put(info_np);
>   return info;
>  }
>  
> 


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[PATCH 2/2] drm/tilcdc: panel: Use common error handling code in of_get_panel_info()

2018-02-06 Thread SF Markus Elfring
From: Markus Elfring 
Date: Tue, 6 Feb 2018 22:10:11 +0100

Add a jump target so that a bit of exception handling can be better reused
at the end of this function.

Signed-off-by: Markus Elfring 
---
 drivers/gpu/drm/tilcdc/tilcdc_panel.c | 12 +---
 1 file changed, 5 insertions(+), 7 deletions(-)

diff --git a/drivers/gpu/drm/tilcdc/tilcdc_panel.c 
b/drivers/gpu/drm/tilcdc/tilcdc_panel.c
index 0b6aa95aec89..cf9ca16fee81 100644
--- a/drivers/gpu/drm/tilcdc/tilcdc_panel.c
+++ b/drivers/gpu/drm/tilcdc/tilcdc_panel.c
@@ -289,10 +289,8 @@ static struct tilcdc_panel_info *of_get_panel_info(struct 
device_node *np)
}
 
info = kzalloc(sizeof(*info), GFP_KERNEL);
-   if (!info) {
-   of_node_put(info_np);
-   return NULL;
-   }
+   if (!info)
+   goto put_node;
 
ret |= of_property_read_u32(info_np, "ac-bias", &info->ac_bias);
ret |= of_property_read_u32(info_np, "ac-bias-intrpt", 
&info->ac_bias_intrpt);
@@ -311,11 +309,11 @@ static struct tilcdc_panel_info *of_get_panel_info(struct 
device_node *np)
if (ret) {
pr_err("%s: error reading panel-info properties\n", __func__);
kfree(info);
-   of_node_put(info_np);
-   return NULL;
+   info = NULL;
}
-   of_node_put(info_np);
 
+put_node:
+   of_node_put(info_np);
return info;
 }
 
-- 
2.16.1

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