linux-kernel - Re: [PATCH] Staging: gasket: Use temporaries to reduce line length.

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Date:   Tue, 10 Sep 2019 06:51:42 +0200
From:   Sandro Volery <sandro@...ery.com>
To:     Joe Perches <joe@...ches.com>
Cc:     rspringer@...gle.com, toddpoynor@...gle.com, benchan@...omium.org,
        gregkh@...uxfoundation.org, devel@...verdev.osuosl.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH] Staging: gasket: Use temporaries to reduce line length.



> On 10 Sep 2019, at 00:30, Joe Perches <joe@...ches.com> wrote:
> 
> On Mon, 2019-09-09 at 22:28 +0200, Sandro Volery wrote:
>> Using temporaries for gasket_page_table entries to remove scnprintf()
>> statements and reduce line length, as suggested by Joe Perches. Thanks!
> 
> nak.  Slow down.  You broke the code.
> 
> Please be _way_ more careful and verify for yourself
> the code you submit _before_ you submit it.
> 
> compile/test/verify, twice if necessary.
> 

Shoot. I'm sorry I'm just really trying to get into all this...


> You also should have cc'd me on this patch.
> 

Will do! I'll submit v2 this afternoon.

>> diff --git a/drivers/staging/gasket/apex_driver.c b/drivers/staging/gasket/apex_driver.c
> []
>> @@ -524,29 +526,25 @@ static ssize_t sysfs_show(struct device *device, struct device_attribute *attr,
>>    }
>> 
>>    type = (enum sysfs_attribute_type)gasket_attr->data.attr_type;
>> +    gpt = gasket_dev->page_table[0];
>>    switch (type) {
>>    case ATTR_KERNEL_HIB_PAGE_TABLE_SIZE:
>> -        ret = scnprintf(buf, PAGE_SIZE, "%u\n",
>> -                gasket_page_table_num_entries(
>> -                    gasket_dev->page_table[0]));
>> +        val = gasket_page_table_num_simple_entries(gpt);
> 
> You likely duplicated this line via copy/paste.
> This should be:
>        val = gasket_page_table_num_entries(gpt);
> 

Thanks for being patient with me so far... I'd imagine others would've freaked out at me by now :)