linux-kernel - Re: [PATCH] vmalloc.c: fix double error checking

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Date:	Wed, 08 Jul 2009 09:19:14 +0900
From:	Tejun Heo <tj@...nel.org>
To:	"Figo.zhang" <figo1802@...il.com>
CC:	Andrew Morton <akpm@...l.org>, lkml <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] vmalloc.c: fix double error checking

Figo.zhang wrote:
> it is no need for double error checking.
> 
> Signed-off-by: Figo.zhang <figo1802@...il.com>
> -		err = vmap_pud_range(pgd, addr, next, prot, pages, &nr);
> -		if (err)
> -			break;
> +		if (vmap_pud_range(pgd, addr, next, prot, pages, &nr))
> +			return -ENOMEM;

Wouldn't it be better to keep the error return value?

Thanks.

--
tejun
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