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* [PATCH 1/2] pinctrl: mediatek: mtk-common: Remove kfree for memory allocated by devm_kzalloc
@ 2015-03-12 13:52 Axel Lin
  2015-03-12 13:53 ` [PATCH 2/2] pinctrl: mediatek: mtk-common: Use devm_kcalloc at appropriate places Axel Lin
                   ` (2 more replies)
  0 siblings, 3 replies; 6+ messages in thread
From: Axel Lin @ 2015-03-12 13:52 UTC (permalink / raw)
  To: Linus Walleij
  Cc: Matthias Brugger, Hongzhou Yang, Chaotian Jing, Yingjoe Chen,
	Maoguang Meng, linux-gpio@vger.kernel.org

Signed-off-by: Axel Lin <axel.lin@ingics.com>
---
 drivers/pinctrl/mediatek/pinctrl-mtk-common.c | 6 ++----
 1 file changed, 2 insertions(+), 4 deletions(-)

diff --git a/drivers/pinctrl/mediatek/pinctrl-mtk-common.c b/drivers/pinctrl/mediatek/pinctrl-mtk-common.c
index b8f8bef..f82f57a 100644
--- a/drivers/pinctrl/mediatek/pinctrl-mtk-common.c
+++ b/drivers/pinctrl/mediatek/pinctrl-mtk-common.c
@@ -1222,7 +1222,7 @@ int mtk_pctrl_init(struct platform_device *pdev,
 	if (!irq) {
 		dev_err(&pdev->dev, "couldn't parse and map irq\n");
 		ret = -EINVAL;
-		goto free_edges;
+		goto chip_error;
 	}
 
 	pctl->domain = irq_domain_add_linear(np,
@@ -1230,7 +1230,7 @@ int mtk_pctrl_init(struct platform_device *pdev,
 	if (!pctl->domain) {
 		dev_err(&pdev->dev, "Couldn't register IRQ domain\n");
 		ret = -ENOMEM;
-		goto free_edges;
+		goto chip_error;
 	}
 
 	mtk_eint_init(pctl);
@@ -1248,8 +1248,6 @@ int mtk_pctrl_init(struct platform_device *pdev,
 	set_irq_flags(irq, IRQF_VALID);
 	return 0;
 
-free_edges:
-	kfree(pctl->eint_dual_edges);
 chip_error:
 	gpiochip_remove(pctl->chip);
 pctrl_error:
-- 
1.9.1




^ permalink raw reply related	[flat|nested] 6+ messages in thread

* [PATCH 2/2] pinctrl: mediatek: mtk-common: Use devm_kcalloc at appropriate places
  2015-03-12 13:52 [PATCH 1/2] pinctrl: mediatek: mtk-common: Remove kfree for memory allocated by devm_kzalloc Axel Lin
@ 2015-03-12 13:53 ` Axel Lin
  2015-03-13 19:47   ` Hongzhou Yang
  2015-03-18 12:08   ` Linus Walleij
  2015-03-13 13:47 ` [PATCH 1/2] pinctrl: mediatek: mtk-common: Remove kfree for memory allocated by devm_kzalloc Yingjoe Chen
  2015-03-18 11:58 ` Linus Walleij
  2 siblings, 2 replies; 6+ messages in thread
From: Axel Lin @ 2015-03-12 13:53 UTC (permalink / raw)
  To: Linus Walleij
  Cc: Matthias Brugger, Hongzhou Yang, Chaotian Jing, Yingjoe Chen,
	Maoguang Meng, linux-gpio@vger.kernel.org

Prefer devm_kcalloc over devm_kzalloc with multiply.

Signed-off-by: Axel Lin <axel.lin@ingics.com>
---
 drivers/pinctrl/mediatek/pinctrl-mtk-common.c | 17 +++++++----------
 1 file changed, 7 insertions(+), 10 deletions(-)

diff --git a/drivers/pinctrl/mediatek/pinctrl-mtk-common.c b/drivers/pinctrl/mediatek/pinctrl-mtk-common.c
index f82f57a..493294c 100644
--- a/drivers/pinctrl/mediatek/pinctrl-mtk-common.c
+++ b/drivers/pinctrl/mediatek/pinctrl-mtk-common.c
@@ -1076,16 +1076,14 @@ static int mtk_pctrl_build_state(struct platform_device *pdev)
 	pctl->ngroups = pctl->devdata->npins;
 
 	/* Allocate groups */
-	pctl->groups = devm_kzalloc(&pdev->dev,
-				    pctl->ngroups * sizeof(*pctl->groups),
-				    GFP_KERNEL);
+	pctl->groups = devm_kcalloc(&pdev->dev, pctl->ngroups,
+				    sizeof(*pctl->groups), GFP_KERNEL);
 	if (!pctl->groups)
 		return -ENOMEM;
 
 	/* We assume that one pin is one group, use pin name as group name. */
-	pctl->grp_names = devm_kzalloc(&pdev->dev,
-				    pctl->ngroups * sizeof(*pctl->grp_names),
-				    GFP_KERNEL);
+	pctl->grp_names = devm_kcalloc(&pdev->dev, pctl->ngroups,
+				       sizeof(*pctl->grp_names), GFP_KERNEL);
 	if (!pctl->grp_names)
 		return -ENOMEM;
 
@@ -1152,8 +1150,7 @@ int mtk_pctrl_init(struct platform_device *pdev,
 		return -EINVAL;
 	}
 
-	pins = devm_kzalloc(&pdev->dev,
-			    pctl->devdata->npins * sizeof(*pins),
+	pins = devm_kcalloc(&pdev->dev, pctl->devdata->npins, sizeof(*pins),
 			    GFP_KERNEL);
 	if (!pins)
 		return -ENOMEM;
@@ -1211,8 +1208,8 @@ int mtk_pctrl_init(struct platform_device *pdev,
 		goto chip_error;
 	}
 
-	pctl->eint_dual_edges = devm_kzalloc(&pdev->dev,
-			sizeof(int) * pctl->devdata->ap_num, GFP_KERNEL);
+	pctl->eint_dual_edges = devm_kcalloc(&pdev->dev, pctl->devdata->ap_num,
+					     sizeof(int), GFP_KERNEL);
 	if (!pctl->eint_dual_edges) {
 		ret = -ENOMEM;
 		goto chip_error;
-- 
1.9.1




^ permalink raw reply related	[flat|nested] 6+ messages in thread

* Re: [PATCH 1/2] pinctrl: mediatek: mtk-common: Remove kfree for memory allocated by devm_kzalloc
  2015-03-12 13:52 [PATCH 1/2] pinctrl: mediatek: mtk-common: Remove kfree for memory allocated by devm_kzalloc Axel Lin
  2015-03-12 13:53 ` [PATCH 2/2] pinctrl: mediatek: mtk-common: Use devm_kcalloc at appropriate places Axel Lin
@ 2015-03-13 13:47 ` Yingjoe Chen
  2015-03-18 11:58 ` Linus Walleij
  2 siblings, 0 replies; 6+ messages in thread
From: Yingjoe Chen @ 2015-03-13 13:47 UTC (permalink / raw)
  To: Axel Lin
  Cc: Linus Walleij, Matthias Brugger, Hongzhou Yang, Chaotian Jing,
	Maoguang Meng, linux-gpio@vger.kernel.org

On Thu, 2015-03-12 at 21:52 +0800, Axel Lin wrote:
> Signed-off-by: Axel Lin <axel.lin@ingics.com>
> ---
>  drivers/pinctrl/mediatek/pinctrl-mtk-common.c | 6 ++----
>  1 file changed, 2 insertions(+), 4 deletions(-)
> 
> diff --git a/drivers/pinctrl/mediatek/pinctrl-mtk-common.c b/drivers/pinctrl/mediatek/pinctrl-mtk-common.c
> index b8f8bef..f82f57a 100644
> --- a/drivers/pinctrl/mediatek/pinctrl-mtk-common.c
> +++ b/drivers/pinctrl/mediatek/pinctrl-mtk-common.c
> @@ -1222,7 +1222,7 @@ int mtk_pctrl_init(struct platform_device *pdev,
>  	if (!irq) {
>  		dev_err(&pdev->dev, "couldn't parse and map irq\n");
>  		ret = -EINVAL;
> -		goto free_edges;
> +		goto chip_error;
>  	}
>  
>  	pctl->domain = irq_domain_add_linear(np,
> @@ -1230,7 +1230,7 @@ int mtk_pctrl_init(struct platform_device *pdev,
>  	if (!pctl->domain) {
>  		dev_err(&pdev->dev, "Couldn't register IRQ domain\n");
>  		ret = -ENOMEM;
> -		goto free_edges;
> +		goto chip_error;
>  	}
>  
>  	mtk_eint_init(pctl);
> @@ -1248,8 +1248,6 @@ int mtk_pctrl_init(struct platform_device *pdev,
>  	set_irq_flags(irq, IRQF_VALID);
>  	return 0;
>  
> -free_edges:
> -	kfree(pctl->eint_dual_edges);
>  chip_error:
>  	gpiochip_remove(pctl->chip);
>  pctrl_error:

Hi Axel,

Thanks for fixing my bugs :)

Acked-by: Yingjoe Chen <yingjoe.chen@mediatek.com>

Joe.C




^ permalink raw reply	[flat|nested] 6+ messages in thread

* Re: [PATCH 2/2] pinctrl: mediatek: mtk-common: Use devm_kcalloc at appropriate places
  2015-03-12 13:53 ` [PATCH 2/2] pinctrl: mediatek: mtk-common: Use devm_kcalloc at appropriate places Axel Lin
@ 2015-03-13 19:47   ` Hongzhou Yang
  2015-03-18 12:08   ` Linus Walleij
  1 sibling, 0 replies; 6+ messages in thread
From: Hongzhou Yang @ 2015-03-13 19:47 UTC (permalink / raw)
  To: Axel Lin
  Cc: Linus Walleij, Matthias Brugger, Chaotian Jing, Yingjoe Chen,
	Maoguang Meng, linux-gpio@vger.kernel.org

On Thu, 2015-03-12 at 21:53 +0800, Axel Lin wrote:
> Prefer devm_kcalloc over devm_kzalloc with multiply.
> 
> Signed-off-by: Axel Lin <axel.lin@ingics.com>
> ---
>  drivers/pinctrl/mediatek/pinctrl-mtk-common.c | 17 +++++++----------
>  1 file changed, 7 insertions(+), 10 deletions(-)
> 
> diff --git a/drivers/pinctrl/mediatek/pinctrl-mtk-common.c b/drivers/pinctrl/mediatek/pinctrl-mtk-common.c
> index f82f57a..493294c 100644
> --- a/drivers/pinctrl/mediatek/pinctrl-mtk-common.c
> +++ b/drivers/pinctrl/mediatek/pinctrl-mtk-common.c
> @@ -1076,16 +1076,14 @@ static int mtk_pctrl_build_state(struct platform_device *pdev)
>  	pctl->ngroups = pctl->devdata->npins;
>  
>  	/* Allocate groups */
> -	pctl->groups = devm_kzalloc(&pdev->dev,
> -				    pctl->ngroups * sizeof(*pctl->groups),
> -				    GFP_KERNEL);
> +	pctl->groups = devm_kcalloc(&pdev->dev, pctl->ngroups,
> +				    sizeof(*pctl->groups), GFP_KERNEL);
>  	if (!pctl->groups)
>  		return -ENOMEM;
>  
>  	/* We assume that one pin is one group, use pin name as group name. */
> -	pctl->grp_names = devm_kzalloc(&pdev->dev,
> -				    pctl->ngroups * sizeof(*pctl->grp_names),
> -				    GFP_KERNEL);
> +	pctl->grp_names = devm_kcalloc(&pdev->dev, pctl->ngroups,
> +				       sizeof(*pctl->grp_names), GFP_KERNEL);
>  	if (!pctl->grp_names)
>  		return -ENOMEM;
>  
> @@ -1152,8 +1150,7 @@ int mtk_pctrl_init(struct platform_device *pdev,
>  		return -EINVAL;
>  	}
>  
> -	pins = devm_kzalloc(&pdev->dev,
> -			    pctl->devdata->npins * sizeof(*pins),
> +	pins = devm_kcalloc(&pdev->dev, pctl->devdata->npins, sizeof(*pins),
>  			    GFP_KERNEL);
>  	if (!pins)
>  		return -ENOMEM;
> @@ -1211,8 +1208,8 @@ int mtk_pctrl_init(struct platform_device *pdev,
>  		goto chip_error;
>  	}
>  
> -	pctl->eint_dual_edges = devm_kzalloc(&pdev->dev,
> -			sizeof(int) * pctl->devdata->ap_num, GFP_KERNEL);
> +	pctl->eint_dual_edges = devm_kcalloc(&pdev->dev, pctl->devdata->ap_num,
> +					     sizeof(int), GFP_KERNEL);
>  	if (!pctl->eint_dual_edges) {
>  		ret = -ENOMEM;
>  		goto chip_error;

Hi Axel,

Thanks a lot.

Acked-by: Hongzhou Yang <hongzhou.yang@mediatek.com>

Hongzhou


^ permalink raw reply	[flat|nested] 6+ messages in thread

* Re: [PATCH 1/2] pinctrl: mediatek: mtk-common: Remove kfree for memory allocated by devm_kzalloc
  2015-03-12 13:52 [PATCH 1/2] pinctrl: mediatek: mtk-common: Remove kfree for memory allocated by devm_kzalloc Axel Lin
  2015-03-12 13:53 ` [PATCH 2/2] pinctrl: mediatek: mtk-common: Use devm_kcalloc at appropriate places Axel Lin
  2015-03-13 13:47 ` [PATCH 1/2] pinctrl: mediatek: mtk-common: Remove kfree for memory allocated by devm_kzalloc Yingjoe Chen
@ 2015-03-18 11:58 ` Linus Walleij
  2 siblings, 0 replies; 6+ messages in thread
From: Linus Walleij @ 2015-03-18 11:58 UTC (permalink / raw)
  To: Axel Lin
  Cc: Matthias Brugger, Hongzhou Yang, Chaotian Jing, Yingjoe Chen,
	Maoguang Meng, linux-gpio@vger.kernel.org

On Thu, Mar 12, 2015 at 2:52 PM, Axel Lin <axel.lin@ingics.com> wrote:

> Signed-off-by: Axel Lin <axel.lin@ingics.com>

Patch applied with Yingjoe's ACK.

Yours,
Linus Walleij

^ permalink raw reply	[flat|nested] 6+ messages in thread

* Re: [PATCH 2/2] pinctrl: mediatek: mtk-common: Use devm_kcalloc at appropriate places
  2015-03-12 13:53 ` [PATCH 2/2] pinctrl: mediatek: mtk-common: Use devm_kcalloc at appropriate places Axel Lin
  2015-03-13 19:47   ` Hongzhou Yang
@ 2015-03-18 12:08   ` Linus Walleij
  1 sibling, 0 replies; 6+ messages in thread
From: Linus Walleij @ 2015-03-18 12:08 UTC (permalink / raw)
  To: Axel Lin
  Cc: Matthias Brugger, Hongzhou Yang, Chaotian Jing, Yingjoe Chen,
	Maoguang Meng, linux-gpio@vger.kernel.org

On Thu, Mar 12, 2015 at 2:53 PM, Axel Lin <axel.lin@ingics.com> wrote:

> Prefer devm_kcalloc over devm_kzalloc with multiply.
>
> Signed-off-by: Axel Lin <axel.lin@ingics.com>

Patch applied.

Yours,
Linus Walleij

^ permalink raw reply	[flat|nested] 6+ messages in thread

end of thread, other threads:[~2015-03-18 12:08 UTC | newest]

Thread overview: 6+ messages (download: mbox.gz follow: Atom feed
-- links below jump to the message on this page --
2015-03-12 13:52 [PATCH 1/2] pinctrl: mediatek: mtk-common: Remove kfree for memory allocated by devm_kzalloc Axel Lin
2015-03-12 13:53 ` [PATCH 2/2] pinctrl: mediatek: mtk-common: Use devm_kcalloc at appropriate places Axel Lin
2015-03-13 19:47   ` Hongzhou Yang
2015-03-18 12:08   ` Linus Walleij
2015-03-13 13:47 ` [PATCH 1/2] pinctrl: mediatek: mtk-common: Remove kfree for memory allocated by devm_kzalloc Yingjoe Chen
2015-03-18 11:58 ` Linus Walleij

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