linux-kernel - Re: [PATCH v3 3/9] x86/microcode/AMD: install_equiv_cpu

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Message-ID: <20180314235812.GB11061@pd.tnic>
Date:   Thu, 15 Mar 2018 00:58:12 +0100
From:   Borislav Petkov <bp@...en8.de>
To:     "Maciej S. Szmigiero" <mail@...iej.szmigiero.name>
Cc:     Thomas Gleixner <tglx@...utronix.de>,
        Ingo Molnar <mingo@...hat.com>,
        "H. Peter Anvin" <hpa@...or.com>, x86@...nel.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH v3 3/9] x86/microcode/AMD: install_equiv_cpu_table()
 should not return (signed) int

On Thu, Mar 15, 2018 at 12:46:05AM +0100, Maciej S. Szmigiero wrote:
> The maximum possible value returned by install_equiv_cpu_table() of
> UINT_MAX + CONTAINER_HDR_SZ comes from the maximum value of this 'size'
> variable (that is UINT_MAX) plus the header length of CONTAINER_HDR_SZ.
> This won't fit in 'int' type, hence this patch.

So make it fit by returning an unsigned int.

-- 
Regards/Gruss,
    Boris.

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