Re: [PATCH] mm: do_generic_file_read() doesn't need to validate filp

[KOSAKI Motohiro]

Hi

Please write explictly that filp is never passed NULL for patch description clarify.
Otherthing, looks good to me.

Reviewed-by: KOSAKI Motohiro <kosaki.motohiro@xxxxxxxxxxxxxx>


> From: Krishna Kumar <krkumar2@xxxxxxxxxx>
> 
> do_generic_file_read() doesn't need to validate filp when accessing it. This
> is probably a remnant of an earlier code.
> 
> Signed-off-by: Krishna Kumar <krkumar2@xxxxxxxxxx>
> ---
>  mm/filemap.c |    3 +--
>  1 file changed, 1 insertion(+), 2 deletions(-)
> 
> diff -ruNp 2.6.27-rc7-org/mm/filemap.c 2.6.27-rc7-new/mm/filemap.c
> --- 2.6.27-rc7-org/mm/filemap.c	2008-09-17 12:53:25.000000000 +0530
> +++ 2.6.27-rc7-new/mm/filemap.c	2008-09-17 12:53:59.000000000 +0530
> @@ -1186,8 +1186,7 @@ out:
>  	ra->prev_pos |= prev_offset;
>  
>  	*ppos = ((loff_t)index << PAGE_CACHE_SHIFT) + offset;
> -	if (filp)
> -		file_accessed(filp);
> +	file_accessed(filp);
>  }
>  
>  int file_read_actor(read_descriptor_t *desc, struct page *page,
> --
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