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From: Arvind Yadav <arvind.yadav.cs@gmail.com>
To: Ulf Hansson <ulf.hansson@linaro.org>
Cc: Wolfram Sang <wsa+renesas@sang-engineering.com>,
	"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
	"linux-mmc@vger.kernel.org" <linux-mmc@vger.kernel.org>
Subject: Re: [PATCH] mmc: usdhi6rol0: Handle return value of platform_get_irq_byname for card detect
Date: Mon, 27 Nov 2017 15:04:59 +0530	[thread overview]
Message-ID: <65b32c21-bdba-3038-b37f-747663017c5c@gmail.com> (raw)
In-Reply-To: <CAPDyKFohj2FBSP8v3WM4YUwfk4FMCeRVRucEsaqjDQ6bq0obwg@mail.gmail.com>

Hi,


On Monday 27 November 2017 03:01 PM, Ulf Hansson wrote:
> On 17 November 2017 at 17:35, Arvind Yadav <arvind.yadav.cs@gmail.com> wrote:
>> platform_get_irq_byname() can fail here and we must check its return value.
> NAK.
>
> You need to check the code more carefully. irq_cd is dealt with later
> below in the same function with proper error handling.
Yes, your are right. Sorry for noise.
>> Signed-off-by: Arvind Yadav <arvind.yadav.cs@gmail.com>
>> ---
>>   drivers/mmc/host/usdhi6rol0.c | 2 +-
>>   1 file changed, 1 insertion(+), 1 deletion(-)
>>
>> diff --git a/drivers/mmc/host/usdhi6rol0.c b/drivers/mmc/host/usdhi6rol0.c
>> index cdfeb15..5a896de 100644
>> --- a/drivers/mmc/host/usdhi6rol0.c
>> +++ b/drivers/mmc/host/usdhi6rol0.c
>> @@ -1749,7 +1749,7 @@ static int usdhi6_probe(struct platform_device *pdev)
>>          irq_cd = platform_get_irq_byname(pdev, "card detect");
>>          irq_sd = platform_get_irq_byname(pdev, "data");
>>          irq_sdio = platform_get_irq_byname(pdev, "SDIO");
>> -       if (irq_sd < 0 || irq_sdio < 0)
>> +       if (irq_cd < 0 || irq_sd < 0 || irq_sdio < 0)
>>                  return -ENODEV;
>>
>>          mmc = mmc_alloc_host(sizeof(struct usdhi6_host), dev);
>> --
>> 2.7.4
>>
~arvind

      reply	other threads:[~2017-11-27  9:35 UTC|newest]

Thread overview: 3+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2017-11-17 16:35 Arvind Yadav
2017-11-27  9:31 ` Ulf Hansson
2017-11-27  9:34   ` Arvind Yadav [this message]

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