linux-kernel - Re: [PATCH] watchdog: bcm_kona_wdt: Use correct return value for bcm_kona_wdt

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Message-ID: <19929e73-253b-7d29-b8f8-365266d88a5f@loongson.cn>
Date:   Mon, 6 Jul 2020 16:56:33 +0800
From:   Tiezhu Yang <yangtiezhu@...ngson.cn>
To:     Guenter Roeck <linux@...ck-us.net>,
        Wim Van Sebroeck <wim@...ux-watchdog.org>,
        Florian Fainelli <f.fainelli@...il.com>,
        Ray Jui <rjui@...adcom.com>,
        Scott Branden <sbranden@...adcom.com>
Cc:     bcm-kernel-feedback-list@...adcom.com,
        linux-watchdog@...r.kernel.org, linux-kernel@...r.kernel.org,
        Xuefeng Li <lixuefeng@...ngson.cn>
Subject: Re: [PATCH] watchdog: bcm_kona_wdt: Use correct return value for
 bcm_kona_wdt_probe()

On 05/25/2020 09:47 PM, Guenter Roeck wrote:
> On 5/25/20 12:31 AM, Tiezhu Yang wrote:
>> When call function devm_platform_ioremap_resource(), we should use IS_ERR()
>> to check the return value and return PTR_ERR() if failed.
>>
>> Signed-off-by: Tiezhu Yang <yangtiezhu@...ngson.cn>
> Reviewed-by: Guenter Roeck <linux@...ck-us.net>

Hi,

Could you please apply this patch?

Thanks,
Tiezhu

>
>> ---
>>   drivers/watchdog/bcm_kona_wdt.c | 2 +-
>>   1 file changed, 1 insertion(+), 1 deletion(-)
>>
>> diff --git a/drivers/watchdog/bcm_kona_wdt.c b/drivers/watchdog/bcm_kona_wdt.c
>> index eb850a8..8237c4e 100644
>> --- a/drivers/watchdog/bcm_kona_wdt.c
>> +++ b/drivers/watchdog/bcm_kona_wdt.c
>> @@ -279,7 +279,7 @@ static int bcm_kona_wdt_probe(struct platform_device *pdev)
>>   
>>   	wdt->base = devm_platform_ioremap_resource(pdev, 0);
>>   	if (IS_ERR(wdt->base))
>> -		return -ENODEV;
>> +		return PTR_ERR(wdt->base);
>>   
>>   	wdt->resolution = SECWDOG_DEFAULT_RESOLUTION;
>>   	ret = bcm_kona_wdt_set_resolution_reg(wdt);
>>