linux-kernel - Re: [PATCH 1/1] x86/mm: Refine mmap syscall implementation

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Date:   Tue, 22 Dec 2020 14:51:38 +0000
From:   Christoph Hellwig <hch@...radead.org>
To:     Adrian Huang <adrianhuang0701@...il.com>
Cc:     linux-kernel@...r.kernel.org, x86@...nel.org,
        Thomas Gleixner <tglx@...utronix.de>,
        Ingo Molnar <mingo@...hat.com>, Borislav Petkov <bp@...en8.de>,
        "H . Peter Anvin" <hpa@...or.com>,
        Adrian Huang <ahuang12@...ovo.com>
Subject: Re: [PATCH 1/1] x86/mm: Refine mmap syscall implementation

On Thu, Dec 17, 2020 at 01:26:48PM +0800, Adrian Huang wrote:
> From: Adrian Huang <ahuang12@...ovo.com>
> 
> It is unnecessary to use the local variable 'error' in the mmap
> syscall implementation function, so use the return statement
> instead of it.

I'm normally not a fan of standalone cleanup patches, but this one
actually improves the function a lot, so:

Reviewed-by: Christoph Hellwig <hch@....de>