linux-kernel - Re: [RFC] pstore-ram: remove superfluous memory size check

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Message-ID: <CAKXpmjwSKzaxe-NWgfsdz0hSVOSshkrmdz7wGaBgOFU9Mfu7sQ@mail.gmail.com>
Date:	Wed, 11 Feb 2015 10:20:08 +0530
From:	Kiran Kumar <kumarsharma.r@...il.com>
To:	Mark Salyzyn <salyzyn@...roid.com>
Cc:	linux-kernel@...r.kernel.org, Mark Salyzyn <salyzyn@...gle.com>,
	Anton Vorontsov <anton@...msg.org>,
	Colin Cross <ccross@...roid.com>,
	Kees Cook <keescook@...omium.org>,
	Tony Luck <tony.luck@...el.com>
Subject: Re: [RFC] pstore-ram: remove superfluous memory size check

On Tue, Feb 10, 2015 at 10:38 PM, Mark Salyzyn <salyzyn@...roid.com> wrote:
>
> Please refer to '[PATCH v2 2/5] pstore: remove superfluous memory size check'

Cool,thanks for pointing.
Regards,
Kiran

>
> Sincerely -- Mark Salyzyn
>
> On 02/10/2015 02:26 AM, Kiran Raparthy wrote:
>>
>> From: Mark Salyzyn <salyzyn@...gle.com>
>>
>> pstore-ram: remove superfluous memory size check
>>
>> All previous checks will fail with error if memory size
>> is not sufficient to register a zone, so this legacy
>> check has become redundant.
>>
>> Cc: Anton Vorontsov <anton@...msg.org>
>> Cc: Colin Cross <ccross@...roid.com>
>> Cc: Kees Cook <keescook@...omium.org>
>> Cc: Tony Luck <tony.luck@...el.com>
>> Cc: linux-kernel@...r.kernel.org
>> Signed-off-by: Mark Salyzyn <salyzyn@...roid.com>
>> [Kiran: Added Context]
>> Signed-off-by: Kiran Raparthy <kumarsharma.r@...il.com>
>>
>> ---
>> This is one of the number of patches from the Android AOSP common.git tree,
>> which is used on Android devices. I wanted to submit it for review
>> to see if it should go upstream.
>> [PATCH v2 2/5] pstore: remove superfluous memory size check
>>
>>   fs/pstore/ram.c | 9 ---------
>>   1 file changed, 9 deletions(-)
>>
>> diff --git a/fs/pstore/ram.c b/fs/pstore/ram.c
>> index 8613e5b..34ed8f8 100644
>> --- a/fs/pstore/ram.c
>> +++ b/fs/pstore/ram.c
>> @@ -474,14 +474,6 @@ static int ramoops_probe(struct platform_device *pdev)
>>         if (err)
>>                 goto fail_init_fprz;
>>   -     if (!cxt->przs && !cxt->cprz && !cxt->fprz) {
>> -               pr_err("memory size too small, minimum is %zu\n",
>> -                       cxt->console_size + cxt->record_size +
>> -                       cxt->ftrace_size);
>> -               err = -EINVAL;
>> -               goto fail_cnt;
>> -       }
>> -
>>         cxt->pstore.data = cxt;
>>         /*
>>          * Console can handle any buffer size, so prefer LOG_LINE_MAX. If we
>> @@ -525,7 +517,6 @@ fail_buf:
>>         kfree(cxt->pstore.buf);
>>   fail_clear:
>>         cxt->pstore.bufsize = 0;
>> -fail_cnt:
>>         kfree(cxt->fprz);
>>   fail_init_fprz:
>>         kfree(cxt->cprz);
>
>
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