linux-kernel - Re: [PATCH] x86: xen: remove unnecessary variable in xen_foreach_remap

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Message-ID: <c3692a6a-c0b9-0d97-6eec-21d4c1d188cd@suse.com>
Date:   Mon, 3 Jul 2017 13:28:23 +0200
From:   Juergen Gross <jgross@...e.com>
To:     "Gustavo A. R. Silva" <garsilva@...eddedor.com>,
        Boris Ostrovsky <boris.ostrovsky@...cle.com>,
        Thomas Gleixner <tglx@...utronix.de>,
        Ingo Molnar <mingo@...hat.com>,
        "H. Peter Anvin" <hpa@...or.com>, x86@...nel.org
Cc:     xen-devel@...ts.xenproject.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] x86: xen: remove unnecessary variable in
 xen_foreach_remap_area()

On 24/06/17 00:01, Gustavo A. R. Silva wrote:
> Remove unnecessary variable mfn in function xen_foreach_remap_area() and,
> refactor the code.
> 
> Variable mfn at line 518:mfn = xen_remap_buf.mfns[i];
> is only being used to store a value to be passed as
> an argument to the xen_update_mem_tables() function.
> This value can be passed directly, which makes variable
> mfn unnecessary. Also, value assigned to variable mfn
> at line 534:mfn = xen_remap_mfn; is never used.
> 
> Addresses-Coverity-ID: 1260110
> Signed-off-by: Gustavo A. R. Silva <garsilva@...eddedor.com>

Queued to xen/tip.git for-linus-4.13


Thanks,

Juergen