linux-kernel - Re: [PATCH 4/6 v2] mmc: sdhci-spear: Handle return value of platform_get

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [day] [month] [year] [list]

Date:   Mon, 20 Nov 2017 12:15:35 +0530
From:   Arvind Yadav <arvind.yadav.cs@...il.com>
To:     Viresh Kumar <viresh.kumar@...aro.org>
Cc:     ben-linux@...ff.org, ulf.hansson@...aro.org,
        adrian.hunter@...el.com, vireshk@...nel.org,
        maxime.ripard@...e-electrons.com, wens@...e.org,
        linux@...linux.org.uk, carlo@...one.org, khilman@...libre.com,
        linux-kernel@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
        linux-mmc@...r.kernel.org, linux-amlogic@...ts.infradead.org
Subject: Re: [PATCH 4/6 v2] mmc: sdhci-spear: Handle return value of
 platform_get_irq

Hi viresh,

Could you please acknowledge a latest version(v3) of this patch.

Thanks,


On Monday 20 November 2017 11:14 AM, Viresh Kumar wrote:
> On 18-11-17, 15:03, Arvind Yadav wrote:
>> platform_get_irq() can fail here and we must check its return value.
>>
>> Signed-off-by: Arvind Yadav <arvind.yadav.cs@...il.com>
>> ---
>> changes in v2 :
>>                Add failure case '<= 0' instead of '< 0'. IRQ0 is not valid.
>>
>>   drivers/mmc/host/sdhci-spear.c | 4 ++++
>>   1 file changed, 4 insertions(+)
>>
>> diff --git a/drivers/mmc/host/sdhci-spear.c b/drivers/mmc/host/sdhci-spear.c
>> index 8c0f884..900838b 100644
>> --- a/drivers/mmc/host/sdhci-spear.c
>> +++ b/drivers/mmc/host/sdhci-spear.c
>> @@ -82,6 +82,10 @@ static int sdhci_probe(struct platform_device *pdev)
>>   	host->hw_name = "sdhci";
>>   	host->ops = &sdhci_pltfm_ops;
>>   	host->irq = platform_get_irq(pdev, 0);
>> +	if (host->irq <= 0) {
>> +		ret = host->irq;
>> +		goto err_host;
>> +	}
>>   	host->quirks = SDHCI_QUIRK_BROKEN_ADMA;
>>   
>>   	sdhci = sdhci_priv(host);
> Acked-by: Viresh Kumar <viresh.kumar@...aro.org>
>