linux-kernel - Re: [Patch] mm/sparse.c: Improve the error handling for sparse_add_one

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Date:	Mon, 26 Nov 2007 19:19:49 +0900
From:	Yasunori Goto <y-goto@...fujitsu.com>
To:	WANG Cong <xiyou.wangcong@...il.com>
Cc:	Dave Hansen <haveblue@...ibm.com>,
	LKML <linux-kernel@...r.kernel.org>,
	Rik van Riel <riel@...hat.com>,
	Christoph Lameter <clameter@....com>,
	Andrew Morton <akpm@...l.org>, linux-mm@...ck.org
Subject: Re: [Patch] mm/sparse.c: Improve the error handling for sparse_add_one_section()

Hi, Cong-san.

>  	ms->section_mem_map |= SECTION_MARKED_PRESENT;
>  
>  	ret = sparse_init_one_section(ms, section_nr, memmap, usemap);
>  
>  out:
>  	pgdat_resize_unlock(pgdat, &flags);
> -	if (ret <= 0)
> -		__kfree_section_memmap(memmap, nr_pages);
> +
>  	return ret;
>  }
>  #endif

Hmm. When sparse_init_one_section() returns error, memmap and 
usemap should be free.

Thanks for your fixing.

-- 
Yasunori Goto 


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