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

[Alexey Dobriyan <adobriyan@gmail.com>]

On Tue, Jul 10, 2007 at 11:21:49PM -0400, Cédric Augonnet wrote:
> 2007/7/10, Andrew Morton <akpm@linux-foundation.org>:
> 
> Hi all,
> 
> >> +     size = sizeof(struct transaction_stats_s);
> >> +     s->stats = kmalloc(size, GFP_KERNEL);
> >> +     if (s == NULL) {
	       ^
> >> +             kfree(s);
> >> +             return -EIO;
> >
> >ENOMEM

That, and

	if (s->stats == NULL)
		kfree(s);

> 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 ?

kfree() is correct, check isn't.

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