* [PATCH RESEND] jz4740-adc: check kmalloc() result
@ 2010-08-02 1:12 Axel Lin
2010-08-02 8:49 ` Samuel Ortiz
0 siblings, 1 reply; 2+ messages in thread
From: Axel Lin @ 2010-08-02 1:12 UTC (permalink / raw)
To: linux-kernel; +Cc: Lars-Peter Clausen, Samuel Ortiz
>From 40f965e63c4aefb402d85cf8392681565e172d2d Mon Sep 17 00:00:00 2001
From: Axel Lin <axel.lin@gmail.com>
Date: Mon, 2 Aug 2010 09:02:02 +0800
Subject: [PATCH] jz4740-adc: check kmalloc() result
If kmalloc() fails exit with -ENOMEM.
Signed-off-by: Axel Lin <axel.lin@gmail.com>
---
This patch is against linux-next.
This resend separates the fix for jz4740-hwmon and jz474-adc in 2 patches.
drivers/mfd/jz4740-adc.c | 4 ++++
1 files changed, 4 insertions(+), 0 deletions(-)
diff --git a/drivers/mfd/jz4740-adc.c b/drivers/mfd/jz4740-adc.c
index 7a844ae..2846d24 100644
--- a/drivers/mfd/jz4740-adc.c
+++ b/drivers/mfd/jz4740-adc.c
@@ -260,6 +260,10 @@ static int __devinit jz4740_adc_probe(struct platform_device *pdev)
int irq;
adc = kmalloc(sizeof(*adc), GFP_KERNEL);
+ if (!adc) {
+ dev_err(&pdev->dev, "Failed to allocate driver structure\n");
+ return -ENOMEM;
+ }
adc->irq = platform_get_irq(pdev, 0);
if (adc->irq < 0) {
--
1.5.4.3
^ permalink raw reply related [flat|nested] 2+ messages in thread* Re: [PATCH RESEND] jz4740-adc: check kmalloc() result
2010-08-02 1:12 [PATCH RESEND] jz4740-adc: check kmalloc() result Axel Lin
@ 2010-08-02 8:49 ` Samuel Ortiz
0 siblings, 0 replies; 2+ messages in thread
From: Samuel Ortiz @ 2010-08-02 8:49 UTC (permalink / raw)
To: Axel Lin; +Cc: linux-kernel, Lars-Peter Clausen
Hi Axel,
On Mon, Aug 02, 2010 at 09:12:04AM +0800, Axel Lin wrote:
> >From 40f965e63c4aefb402d85cf8392681565e172d2d Mon Sep 17 00:00:00 2001
> From: Axel Lin <axel.lin@gmail.com>
> Date: Mon, 2 Aug 2010 09:02:02 +0800
> Subject: [PATCH] jz4740-adc: check kmalloc() result
>
> If kmalloc() fails exit with -ENOMEM.
Thanks a lot, patch applied against my for-next branch.
Cheers,
Samuel.
> Signed-off-by: Axel Lin <axel.lin@gmail.com>
> ---
> This patch is against linux-next.
> This resend separates the fix for jz4740-hwmon and jz474-adc in 2 patches.
> drivers/mfd/jz4740-adc.c | 4 ++++
> 1 files changed, 4 insertions(+), 0 deletions(-)
>
> diff --git a/drivers/mfd/jz4740-adc.c b/drivers/mfd/jz4740-adc.c
> index 7a844ae..2846d24 100644
> --- a/drivers/mfd/jz4740-adc.c
> +++ b/drivers/mfd/jz4740-adc.c
> @@ -260,6 +260,10 @@ static int __devinit jz4740_adc_probe(struct platform_device *pdev)
> int irq;
>
> adc = kmalloc(sizeof(*adc), GFP_KERNEL);
> + if (!adc) {
> + dev_err(&pdev->dev, "Failed to allocate driver structure\n");
> + return -ENOMEM;
> + }
>
> adc->irq = platform_get_irq(pdev, 0);
> if (adc->irq < 0) {
> --
> 1.5.4.3
>
>
>
--
Intel Open Source Technology Centre
http://oss.intel.com/
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