* [PATCH] PCI: kirin: Use devm_kasprintf()
@ 2023-11-12 7:37 Christophe JAILLET
2023-11-13 9:30 ` Serge Semin
` (2 more replies)
0 siblings, 3 replies; 5+ messages in thread
From: Christophe JAILLET @ 2023-11-12 7:37 UTC (permalink / raw)
To: Xiaowei Song, Binghui Wang, Lorenzo Pieralisi,
Krzysztof Wilczyński, Rob Herring, Bjorn Helgaas
Cc: linux-kernel, kernel-janitors, Christophe JAILLET, linux-pci
Use devm_kasprintf() instead of hand writing it.
This saves the need of an intermediate buffer.
There was also no reason to use the _const() version of devm_kstrdup().
The string was known be not constant.
Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr>
---
drivers/pci/controller/dwc/pcie-kirin.c | 6 ++----
1 file changed, 2 insertions(+), 4 deletions(-)
diff --git a/drivers/pci/controller/dwc/pcie-kirin.c b/drivers/pci/controller/dwc/pcie-kirin.c
index 2ee146767971..d9e3514de0a0 100644
--- a/drivers/pci/controller/dwc/pcie-kirin.c
+++ b/drivers/pci/controller/dwc/pcie-kirin.c
@@ -366,7 +366,6 @@ static int kirin_pcie_get_gpio_enable(struct kirin_pcie *pcie,
struct platform_device *pdev)
{
struct device *dev = &pdev->dev;
- char name[32];
int ret, i;
/* This is an optional property */
@@ -387,9 +386,8 @@ static int kirin_pcie_get_gpio_enable(struct kirin_pcie *pcie,
if (pcie->gpio_id_clkreq[i] < 0)
return pcie->gpio_id_clkreq[i];
- sprintf(name, "pcie_clkreq_%d", i);
- pcie->clkreq_names[i] = devm_kstrdup_const(dev, name,
- GFP_KERNEL);
+ pcie->clkreq_names[i] = devm_kasprintf(dev, GFP_KERNEL,
+ "pcie_clkreq_%d", i);
if (!pcie->clkreq_names[i])
return -ENOMEM;
}
--
2.34.1
^ permalink raw reply related [flat|nested] 5+ messages in thread
* Re: [PATCH] PCI: kirin: Use devm_kasprintf()
2023-11-12 7:37 [PATCH] PCI: kirin: Use devm_kasprintf() Christophe JAILLET
@ 2023-11-13 9:30 ` Serge Semin
2023-11-13 9:55 ` Krzysztof Wilczyński
2023-11-14 13:06 ` Ilpo Järvinen
2 siblings, 0 replies; 5+ messages in thread
From: Serge Semin @ 2023-11-13 9:30 UTC (permalink / raw)
To: Christophe JAILLET
Cc: Xiaowei Song, Binghui Wang, Lorenzo Pieralisi,
Krzysztof Wilczyński, Rob Herring, Bjorn Helgaas,
linux-kernel, kernel-janitors, linux-pci
On Sun, Nov 12, 2023 at 08:37:01AM +0100, Christophe JAILLET wrote:
> Use devm_kasprintf() instead of hand writing it.
> This saves the need of an intermediate buffer.
>
> There was also no reason to use the _const() version of devm_kstrdup().
> The string was known be not constant.
>
> Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr>
Neat cleanup. Thanks!
Reviewed-by: Serge Semin <fancer.lancer@gmail.com>
-Serge(y)
> ---
> drivers/pci/controller/dwc/pcie-kirin.c | 6 ++----
> 1 file changed, 2 insertions(+), 4 deletions(-)
>
> diff --git a/drivers/pci/controller/dwc/pcie-kirin.c b/drivers/pci/controller/dwc/pcie-kirin.c
> index 2ee146767971..d9e3514de0a0 100644
> --- a/drivers/pci/controller/dwc/pcie-kirin.c
> +++ b/drivers/pci/controller/dwc/pcie-kirin.c
> @@ -366,7 +366,6 @@ static int kirin_pcie_get_gpio_enable(struct kirin_pcie *pcie,
> struct platform_device *pdev)
> {
> struct device *dev = &pdev->dev;
> - char name[32];
> int ret, i;
>
> /* This is an optional property */
> @@ -387,9 +386,8 @@ static int kirin_pcie_get_gpio_enable(struct kirin_pcie *pcie,
> if (pcie->gpio_id_clkreq[i] < 0)
> return pcie->gpio_id_clkreq[i];
>
> - sprintf(name, "pcie_clkreq_%d", i);
> - pcie->clkreq_names[i] = devm_kstrdup_const(dev, name,
> - GFP_KERNEL);
> + pcie->clkreq_names[i] = devm_kasprintf(dev, GFP_KERNEL,
> + "pcie_clkreq_%d", i);
> if (!pcie->clkreq_names[i])
> return -ENOMEM;
> }
> --
> 2.34.1
>
^ permalink raw reply [flat|nested] 5+ messages in thread
* Re: [PATCH] PCI: kirin: Use devm_kasprintf()
2023-11-12 7:37 [PATCH] PCI: kirin: Use devm_kasprintf() Christophe JAILLET
2023-11-13 9:30 ` Serge Semin
@ 2023-11-13 9:55 ` Krzysztof Wilczyński
2023-11-13 19:13 ` Christophe JAILLET
2023-11-14 13:06 ` Ilpo Järvinen
2 siblings, 1 reply; 5+ messages in thread
From: Krzysztof Wilczyński @ 2023-11-13 9:55 UTC (permalink / raw)
To: Christophe JAILLET
Cc: Xiaowei Song, Binghui Wang, Lorenzo Pieralisi, Rob Herring,
Bjorn Helgaas, linux-kernel, kernel-janitors, linux-pci
Hello!
[...]
> @@ -387,9 +386,8 @@ static int kirin_pcie_get_gpio_enable(struct kirin_pcie *pcie,
> if (pcie->gpio_id_clkreq[i] < 0)
> return pcie->gpio_id_clkreq[i];
>
> - sprintf(name, "pcie_clkreq_%d", i);
> - pcie->clkreq_names[i] = devm_kstrdup_const(dev, name,
> - GFP_KERNEL);
> + pcie->clkreq_names[i] = devm_kasprintf(dev, GFP_KERNEL,
> + "pcie_clkreq_%d", i);
I think, the kirin_pcie_parse_port(), which is just below form this
function, might benefit from the same type of a nice change. Thoughts?
Krzysztof
^ permalink raw reply [flat|nested] 5+ messages in thread
* Re: [PATCH] PCI: kirin: Use devm_kasprintf()
2023-11-13 9:55 ` Krzysztof Wilczyński
@ 2023-11-13 19:13 ` Christophe JAILLET
0 siblings, 0 replies; 5+ messages in thread
From: Christophe JAILLET @ 2023-11-13 19:13 UTC (permalink / raw)
To: Krzysztof Wilczyński
Cc: Xiaowei Song, Binghui Wang, Lorenzo Pieralisi, Rob Herring,
Bjorn Helgaas, linux-kernel, kernel-janitors, linux-pci,
Serge Semin
Le 13/11/2023 à 10:55, Krzysztof Wilczyński a écrit :
> Hello!
>
> [...]
>> @@ -387,9 +386,8 @@ static int kirin_pcie_get_gpio_enable(struct kirin_pcie *pcie,
>> if (pcie->gpio_id_clkreq[i] < 0)
>> return pcie->gpio_id_clkreq[i];
>>
>> - sprintf(name, "pcie_clkreq_%d", i);
>> - pcie->clkreq_names[i] = devm_kstrdup_const(dev, name,
>> - GFP_KERNEL);
>> + pcie->clkreq_names[i] = devm_kasprintf(dev, GFP_KERNEL,
>> + "pcie_clkreq_%d", i);
>
> I think, the kirin_pcie_parse_port(), which is just below form this
> function, might benefit from the same type of a nice change. Thoughts?
>
> Krzysztof
>
Argh, yes, I've not seen it.
I'll send a v2 with both.
Thx for seeing it.
CJ
^ permalink raw reply [flat|nested] 5+ messages in thread
* Re: [PATCH] PCI: kirin: Use devm_kasprintf()
2023-11-12 7:37 [PATCH] PCI: kirin: Use devm_kasprintf() Christophe JAILLET
2023-11-13 9:30 ` Serge Semin
2023-11-13 9:55 ` Krzysztof Wilczyński
@ 2023-11-14 13:06 ` Ilpo Järvinen
2 siblings, 0 replies; 5+ messages in thread
From: Ilpo Järvinen @ 2023-11-14 13:06 UTC (permalink / raw)
To: Christophe JAILLET
Cc: Xiaowei Song, Binghui Wang, Lorenzo Pieralisi,
Krzysztof Wilczyński, Rob Herring, Bjorn Helgaas, LKML,
kernel-janitors, linux-pci
[-- Attachment #1: Type: text/plain, Size: 1506 bytes --]
On Sun, 12 Nov 2023, Christophe JAILLET wrote:
> Use devm_kasprintf() instead of hand writing it.
> This saves the need of an intermediate buffer.
>
> There was also no reason to use the _const() version of devm_kstrdup().
> The string was known be not constant.
was known be -> is known to be
With that fixed,
Reviewed-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
--
i.
> Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr>
> ---
> drivers/pci/controller/dwc/pcie-kirin.c | 6 ++----
> 1 file changed, 2 insertions(+), 4 deletions(-)
>
> diff --git a/drivers/pci/controller/dwc/pcie-kirin.c b/drivers/pci/controller/dwc/pcie-kirin.c
> index 2ee146767971..d9e3514de0a0 100644
> --- a/drivers/pci/controller/dwc/pcie-kirin.c
> +++ b/drivers/pci/controller/dwc/pcie-kirin.c
> @@ -366,7 +366,6 @@ static int kirin_pcie_get_gpio_enable(struct kirin_pcie *pcie,
> struct platform_device *pdev)
> {
> struct device *dev = &pdev->dev;
> - char name[32];
> int ret, i;
>
> /* This is an optional property */
> @@ -387,9 +386,8 @@ static int kirin_pcie_get_gpio_enable(struct kirin_pcie *pcie,
> if (pcie->gpio_id_clkreq[i] < 0)
> return pcie->gpio_id_clkreq[i];
>
> - sprintf(name, "pcie_clkreq_%d", i);
> - pcie->clkreq_names[i] = devm_kstrdup_const(dev, name,
> - GFP_KERNEL);
> + pcie->clkreq_names[i] = devm_kasprintf(dev, GFP_KERNEL,
> + "pcie_clkreq_%d", i);
> if (!pcie->clkreq_names[i])
> return -ENOMEM;
> }
>
^ permalink raw reply [flat|nested] 5+ messages in thread
end of thread, other threads:[~2023-11-14 13:06 UTC | newest]
Thread overview: 5+ messages (download: mbox.gz / follow: Atom feed)
-- links below jump to the message on this page --
2023-11-12 7:37 [PATCH] PCI: kirin: Use devm_kasprintf() Christophe JAILLET
2023-11-13 9:30 ` Serge Semin
2023-11-13 9:55 ` Krzysztof Wilczyński
2023-11-13 19:13 ` Christophe JAILLET
2023-11-14 13:06 ` Ilpo Järvinen
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