Re: [EXT4 set 6][PATCH 1/1]Export jbd stats through procfs

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On Tue, 10 Jul 2007 23:21:49 -0400 "Cédric Augonnet" <cedric.augonnet@xxxxxxxxx> wrote:

> 2007/7/10, Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>:
> 
> Hi all,
> 
> > > +     size = sizeof(struct transaction_stats_s);
> > > +     s->stats = kmalloc(size, GFP_KERNEL);
> > > +     if (s == NULL) {
> > > +             kfree(s);
> > > +             return -EIO;
> >
> > ENOMEM
> 
> I'm sorry if i missed some point, but i just don't see the use of such
> a kfree here, not sure Andrew meant you should only return ENOMEM
> instead, but why issuing those kfree(NULL), instead of just a if (!s)
> return ENOMEM ?
> 

You found a bug.  It was meant to be

	if (s->stats == NULL)


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