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* [PATCH] mtd: spi-nor: hisi: do not ignore clk_prepare_enable() failure
@ 2017-02-17 22:08 Alexey Khoroshilov
  2017-02-18 15:23 ` Marek Vasut
  0 siblings, 1 reply; 3+ messages in thread
From: Alexey Khoroshilov @ 2017-02-17 22:08 UTC (permalink / raw)
  To: Cyrille Pitchen, Marek Vasut
  Cc: Alexey Khoroshilov, David Woodhouse, Brian Norris,
	Boris Brezillon, Richard Weinberger, linux-mtd, linux-kernel,
	ldv-project

hisi_spi_nor_probe() ignores clk_prepare_enable() error code.
The patch fixes that.

Found by Linux Driver Verification project (linuxtesting.org).

Signed-off-by: Alexey Khoroshilov <khoroshilov@ispras.ru>
---
 drivers/mtd/spi-nor/hisi-sfc.c | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/drivers/mtd/spi-nor/hisi-sfc.c b/drivers/mtd/spi-nor/hisi-sfc.c
index 20378b0d55e9..a286350627a6 100644
--- a/drivers/mtd/spi-nor/hisi-sfc.c
+++ b/drivers/mtd/spi-nor/hisi-sfc.c
@@ -448,8 +448,11 @@ static int hisi_spi_nor_probe(struct platform_device *pdev)
 	if (!host->buffer)
 		return -ENOMEM;
 
+	ret = clk_prepare_enable(host->clk);
+	if (ret)
+		return ret;
+
 	mutex_init(&host->lock);
-	clk_prepare_enable(host->clk);
 	hisi_spi_nor_init(host);
 	ret = hisi_spi_nor_register_all(host);
 	if (ret)
-- 
2.7.4

^ permalink raw reply	[flat|nested] 3+ messages in thread

* Re: [PATCH] mtd: spi-nor: hisi: do not ignore clk_prepare_enable() failure
  2017-02-17 22:08 [PATCH] mtd: spi-nor: hisi: do not ignore clk_prepare_enable() failure Alexey Khoroshilov
@ 2017-02-18 15:23 ` Marek Vasut
  2017-03-07 20:57   ` Cyrille Pitchen
  0 siblings, 1 reply; 3+ messages in thread
From: Marek Vasut @ 2017-02-18 15:23 UTC (permalink / raw)
  To: Alexey Khoroshilov, Cyrille Pitchen
  Cc: David Woodhouse, Brian Norris, Boris Brezillon,
	Richard Weinberger, linux-mtd, linux-kernel, ldv-project

On 02/17/2017 11:08 PM, Alexey Khoroshilov wrote:
> hisi_spi_nor_probe() ignores clk_prepare_enable() error code.
> The patch fixes that.
> 
> Found by Linux Driver Verification project (linuxtesting.org).
> 
> Signed-off-by: Alexey Khoroshilov <khoroshilov@ispras.ru>

Acked-by: Marek Vasut <marek.vasut@gmail.com>

> ---
>  drivers/mtd/spi-nor/hisi-sfc.c | 5 ++++-
>  1 file changed, 4 insertions(+), 1 deletion(-)
> 
> diff --git a/drivers/mtd/spi-nor/hisi-sfc.c b/drivers/mtd/spi-nor/hisi-sfc.c
> index 20378b0d55e9..a286350627a6 100644
> --- a/drivers/mtd/spi-nor/hisi-sfc.c
> +++ b/drivers/mtd/spi-nor/hisi-sfc.c
> @@ -448,8 +448,11 @@ static int hisi_spi_nor_probe(struct platform_device *pdev)
>  	if (!host->buffer)
>  		return -ENOMEM;
>  
> +	ret = clk_prepare_enable(host->clk);
> +	if (ret)
> +		return ret;
> +
>  	mutex_init(&host->lock);
> -	clk_prepare_enable(host->clk);
>  	hisi_spi_nor_init(host);
>  	ret = hisi_spi_nor_register_all(host);
>  	if (ret)
> 


-- 
Best regards,
Marek Vasut

^ permalink raw reply	[flat|nested] 3+ messages in thread

* Re: [PATCH] mtd: spi-nor: hisi: do not ignore clk_prepare_enable() failure
  2017-02-18 15:23 ` Marek Vasut
@ 2017-03-07 20:57   ` Cyrille Pitchen
  0 siblings, 0 replies; 3+ messages in thread
From: Cyrille Pitchen @ 2017-03-07 20:57 UTC (permalink / raw)
  To: Marek Vasut, Alexey Khoroshilov, Cyrille Pitchen
  Cc: ldv-project, Boris Brezillon, Richard Weinberger, linux-kernel,
	linux-mtd, Brian Norris, David Woodhouse

Le 18/02/2017 à 16:23, Marek Vasut a écrit :
> On 02/17/2017 11:08 PM, Alexey Khoroshilov wrote:
>> hisi_spi_nor_probe() ignores clk_prepare_enable() error code.
>> The patch fixes that.
>>
>> Found by Linux Driver Verification project (linuxtesting.org).
>>
>> Signed-off-by: Alexey Khoroshilov <khoroshilov@ispras.ru>
> 
> Acked-by: Marek Vasut <marek.vasut@gmail.com>
> 
Applied to spi-nor/next

Thanks!

>> ---
>>  drivers/mtd/spi-nor/hisi-sfc.c | 5 ++++-
>>  1 file changed, 4 insertions(+), 1 deletion(-)
>>
>> diff --git a/drivers/mtd/spi-nor/hisi-sfc.c b/drivers/mtd/spi-nor/hisi-sfc.c
>> index 20378b0d55e9..a286350627a6 100644
>> --- a/drivers/mtd/spi-nor/hisi-sfc.c
>> +++ b/drivers/mtd/spi-nor/hisi-sfc.c
>> @@ -448,8 +448,11 @@ static int hisi_spi_nor_probe(struct platform_device *pdev)
>>  	if (!host->buffer)
>>  		return -ENOMEM;
>>  
>> +	ret = clk_prepare_enable(host->clk);
>> +	if (ret)
>> +		return ret;
>> +
>>  	mutex_init(&host->lock);
>> -	clk_prepare_enable(host->clk);
>>  	hisi_spi_nor_init(host);
>>  	ret = hisi_spi_nor_register_all(host);
>>  	if (ret)
>>
> 
> 

^ permalink raw reply	[flat|nested] 3+ messages in thread

end of thread, other threads:[~2017-03-08  3:31 UTC | newest]

Thread overview: 3+ messages (download: mbox.gz / follow: Atom feed)
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2017-02-17 22:08 [PATCH] mtd: spi-nor: hisi: do not ignore clk_prepare_enable() failure Alexey Khoroshilov
2017-02-18 15:23 ` Marek Vasut
2017-03-07 20:57   ` Cyrille Pitchen

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