linux-kernel - Re: [patch 1/2] vfs: fix overflow in direct-io subsystem

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Date:	Thu, 14 Oct 2010 14:20:23 -0400
From:	Jeff Moyer <jmoyer@...hat.com>
To:	Edward Shishkin <edward.shishkin@...il.com>
Cc:	Andrew Morton <akpm@...ux-foundation.org>,
	linux-fsdevel@...r.kernel.org, Eric Sandeen <sandeen@...hat.com>,
	lmcilroy@...hat.com, LKML <linux-kernel@...r.kernel.org>
Subject: Re: [patch 1/2] vfs: fix overflow in direct-io subsystem

Edward Shishkin <edward.shishkin@...il.com> writes:

> Fix up overflow (ssize_t->int) in the direct-io subsystem.
>
> Signed-off-by: Edward Shishkin <edward@...hat.com>
> ---
>  fs/direct-io.c |    2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
>
> --- linux-2.6.36-rc7.orig/fs/direct-io.c
> +++ linux-2.6.36-rc7/fs/direct-io.c
> @@ -218,7 +218,7 @@ static struct page *dio_get_page(struct 
>   * filesystems can use it to hold additional state between get_block calls and
>   * dio_complete.
>   */
> -static int dio_complete(struct dio *dio, loff_t offset, int ret, bool is_async)
> +static ssize_t dio_complete(struct dio *dio, loff_t offset, ssize_t ret, bool is_async)
>  {
>  	ssize_t transferred = 0;

Acked-by: Jeff Moyer <jmoyer@...hat.com>
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