linux-kernel - Re: [PATCH v2] x86/earlyprintk: Add a force option for pciserial device

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Message-ID: <20181001203004.GG7269@zn.tnic>
Date:   Mon, 1 Oct 2018 22:30:04 +0200
From:   Borislav Petkov <bp@...en8.de>
To:     Feng Tang <feng.tang@...el.com>
Cc:     Thomas Gleixner <tglx@...utronix.de>,
        Ingo Molnar <mingo@...nel.org>,
        H Peter Anvin <hpa@...ux.intel.com>,
        Peter Zijlstra <peterz@...radead.org>,
        "Stuart R . Anderson" <stuart.r.anderson@...el.com>,
        alan@...ux.intel.com, x86@...nel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH v2] x86/earlyprintk: Add a force option for pciserial
 device

On Mon, Oct 01, 2018 at 10:18:10PM +0800, Feng Tang wrote:
> As I rechecked, the baud rate for pciserial is optional, so there may
> be no ",baudrate" following the "force". So this 2 strncmp is to
> cover conditions for with and without baudrate.

And what guarantees you have a space after the "force"?

	!strncmp(s, "force ", 6)
			  ^
-- 
Regards/Gruss,
    Boris.

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