Re: [PATCH 1/5][BUG] SUBCPUSETS: fix for cpusets minor problem

From: Robin Holt
Date: Thu Sep 08 2005 - 06:27:12 EST


On Thu, Sep 08, 2005 at 06:17:31AM -0500, Robin Holt wrote:
> On Thu, Sep 08, 2005 at 02:40:53PM +0900, KUROSAWA Takahiro wrote:
> > This patch fixes minor problem that the CPUSETS have when files
> > in the cpuset filesystem are read after lseek()-ed beyond the EOF.
> >
> > Signed-off-by: KUROSAWA Takahiro <kurosawa@xxxxxxxxxxxxx>
> >
> > --- from-0001/kernel/cpuset.c
> > +++ to-work/kernel/cpuset.c 2005-09-05 20:26:18.075772762 +0900
> > @@ -984,6 +984,10 @@ static ssize_t cpuset_common_file_read(s
> > *s++ = '\n';
> > *s = '\0';
> >
> > + /* Do nothing if *ppos is at the eof or beyond the eof. */
> > + if (s - page <= *ppos)
> > + return 0;
> > +
> > start = page + *ppos;
> > n = s - start;
> > retval = n - copy_to_user(buf, start, min(n, nbytes));
>
>
> Paul, I think this should go in regardless of the other subcpuset
> changes being proposed. What do you think?


Oops, didn't see you had already sent it along. Sorry, Robin
-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/