linux-kernel - Re: [PATCH v2] x86/boot/early_serial

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Date:	Tue, 30 Dec 2014 22:58:29 +0600
From:	Alexander Kuleshov <kuleshovmail@...il.com>
To:	Borislav Petkov <bp@...en8.de>
Cc:	"H. Peter Anvin" <hpa@...or.com>,
	Thomas Gleixner <tglx@...utronix.de>,
	Ingo Molnar <mingo@...hat.com>, linux-kernel@...r.kernel.org
Subject: Re: [PATCH v2] x86/boot/early_serial_console: Remove unnecessary check

Do i need to send patch v3 to separate mail thread or add to it?

2014-12-30 21:48 GMT+06:00 Borislav Petkov <bp@...en8.de>:
> On Tue, Dec 30, 2014 at 07:28:22PM +0600, Alexander Kuleshov wrote:
>> There is already the same check before.
>>
>> Signed-off-by: Alexander Kuleshov <kuleshovmail@...il.com>
>> ---
>>  arch/x86/boot/early_serial_console.c | 3 +--
>>  1 file changed, 1 insertion(+), 2 deletions(-)
>>
>> diff --git a/arch/x86/boot/early_serial_console.c b/arch/x86/boot/early_serial_console.c
>> index 5df2869..62abcc8 100644
>> --- a/arch/x86/boot/early_serial_console.c
>> +++ b/arch/x86/boot/early_serial_console.c
>> @@ -74,8 +74,7 @@ static void parse_earlyprintk(void)
>>                       static const int bases[] = { 0x3f8, 0x2f8 };
>>                       int idx = 0;
>>
>> -                     if (!strncmp(arg + pos, "ttyS", 4))
>> -                             pos += 4;
>
> You might need a comment to explain the advancing of pos to people who
> look at this in the future, i.e. something like
>
>                         /* += strlen("ttyS"); */
>                         pos += 4;
>>
>>                       if (arg[pos++] == '1')
>>                               idx = 1;
>
> --
> Regards/Gruss,
>     Boris.
> --



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