linux-kernel - Re: [PATCH -tip/master] x86: io-apic

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Date:	Tue, 23 Sep 2008 12:17:43 -0700
From:	Suresh Siddha <suresh.b.siddha@...el.com>
To:	Cyrill Gorcunov <gorcunov@...il.com>
Cc:	"Siddha, Suresh B" <suresh.b.siddha@...el.com>,
	Ingo Molnar <mingo@...e.hu>,
	LKML <linux-kernel@...r.kernel.org>,
	"Maciej W. Rozycki" <macro@...ux-mips.org>
Subject: Re: [PATCH -tip/master] x86: io-apic - interrupt remapping fix

On Tue, Sep 23, 2008 at 12:00:02PM -0700, Cyrill Gorcunov wrote:
> ---
> From: Cyrill Gorcunov <gorcunov@...il.com>
> 
> Clean up obscure for() cycle with straight while() form
> 
> Signed-off-by: Cyrill Gorcunov <gorcunov@...il.com>
> CC: Suresh Siddha <suresh.b.siddha@...el.com>
> ---
> 
> Index: linux-2.6.git/arch/x86/kernel/io_apic.c
> ===================================================================
> --- linux-2.6.git.orig/arch/x86/kernel/io_apic.c        2008-09-22 17:42:33.000000000 +0400
> +++ linux-2.6.git/arch/x86/kernel/io_apic.c     2008-09-23 22:45:58.000000000 +0400
> @@ -830,9 +830,8 @@ int save_mask_IO_APIC_setup(void)
>         return 0;
> 
>  nomem:
> -       for (; apic > 0; apic--)
> -               kfree(early_ioapic_entries[apic]);
> -       kfree(early_ioapic_entries[apic]);
> +       while (apic >= 0)
> +               kfree(early_ioapic_entries[apic--]);
>         memset(early_ioapic_entries, 0,
>                 ARRAY_SIZE(early_ioapic_entries));
> 

looks better. thanks.
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