Re: [PATCH] set relay file can not be read by pread(2)

From: Jens Axboe
Date: Wed Mar 26 2008 - 07:01:39 EST


On Wed, Mar 26 2008, Lai Jiangshan wrote:
> Hi:
> I found that relay files can be read by pread(2). I fix it,
> for relay files are not capable of seeking.
>
> Signed-off-by: Lai Jiangshan <laijs@xxxxxxxxxxxxxx>
>
> --- linux-2.6.24/kernel/relay.c.org 2008-01-25 06:58:37.000000000 +0800
> +++ linux-2.6.24/kernel/relay.c 2008-03-17 23:53:14.000000000 +0800
> @@ -741,7 +741,7 @@ static int relay_file_open(struct inode
> kref_get(&buf->kref);
> filp->private_data = buf;
>
> - return 0;
> + return nonseekable_open(inode, filp);
> }
>
> /**

Good catch. I'll add it for 2.6.25.

--
Jens Axboe

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