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* [PATCH -next] mfd: sta2x11-mfd: fix return value check in sta2x11_mfd_platform_probe()
@ 2013-12-07  6:03 Wei Yongjun
  2013-12-09 10:19 ` Lee Jones
  0 siblings, 1 reply; 2+ messages in thread
From: Wei Yongjun @ 2013-12-07  6:03 UTC (permalink / raw)
  To: sameo, lee.jones; +Cc: yongjun_wei, linux-kernel

From: Wei Yongjun <yongjun_wei@trendmicro.com.cn>

In case of error, the function devm_regmap_init_mmio() returns
ERR_PTR() and never returns NULL. The NULL test in the return
value check should be replaced with IS_ERR().

Signed-off-by: Wei Yongjun <yongjun_wei@trendmicro.com.cn>
---
 drivers/mfd/sta2x11-mfd.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/mfd/sta2x11-mfd.c b/drivers/mfd/sta2x11-mfd.c
index 53ab686..0d42e40 100644
--- a/drivers/mfd/sta2x11-mfd.c
+++ b/drivers/mfd/sta2x11-mfd.c
@@ -339,7 +339,7 @@ static int sta2x11_mfd_platform_probe(struct platform_device *dev,
 	regmap_config->cache_type = REGCACHE_NONE;
 	mfd->regmap[index] = devm_regmap_init_mmio(&dev->dev, mfd->regs[index],
 						   regmap_config);
-	WARN_ON(!mfd->regmap[index]);
+	WARN_ON(IS_ERR(mfd->regmap[index]));
 
 	return 0;
 }


^ permalink raw reply related	[flat|nested] 2+ messages in thread

* Re: [PATCH -next] mfd: sta2x11-mfd: fix return value check in sta2x11_mfd_platform_probe()
  2013-12-07  6:03 [PATCH -next] mfd: sta2x11-mfd: fix return value check in sta2x11_mfd_platform_probe() Wei Yongjun
@ 2013-12-09 10:19 ` Lee Jones
  0 siblings, 0 replies; 2+ messages in thread
From: Lee Jones @ 2013-12-09 10:19 UTC (permalink / raw)
  To: Wei Yongjun; +Cc: sameo, yongjun_wei, linux-kernel

On Sat, 07 Dec 2013, Wei Yongjun wrote:

> From: Wei Yongjun <yongjun_wei@trendmicro.com.cn>
> 
> In case of error, the function devm_regmap_init_mmio() returns
> ERR_PTR() and never returns NULL. The NULL test in the return
> value check should be replaced with IS_ERR().
> 
> Signed-off-by: Wei Yongjun <yongjun_wei@trendmicro.com.cn>
> ---
>  drivers/mfd/sta2x11-mfd.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)

Applied, thanks.

-- 
Lee Jones
Linaro STMicroelectronics Landing Team Lead
Linaro.org │ Open source software for ARM SoCs
Follow Linaro: Facebook | Twitter | Blog

^ permalink raw reply	[flat|nested] 2+ messages in thread

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2013-12-07  6:03 [PATCH -next] mfd: sta2x11-mfd: fix return value check in sta2x11_mfd_platform_probe() Wei Yongjun
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