Re: [PATCH] kernfs: checking for IS_ERR() instead of NULL

[Greg Kroah-Hartman]

On Thu, Aug 31, 2017 at 01:56:40PM -0600, Jens Axboe wrote:
> On 08/31/2017 10:52 AM, Greg Kroah-Hartman wrote:
> > On Wed, Aug 30, 2017 at 05:04:56PM +0300, Dan Carpenter wrote:
> >> The kernfs_get_inode() returns NULL on error, it never returns error
> >> pointers.
> >>
> >> Fixes: aa8188253474 ("kernfs: add exportfs operations")
> >> Signed-off-by: Dan Carpenter <dan.carpenter@xxxxxxxxxx>
> >> Acked-by: Tejun Heo <tj@xxxxxxxxxx>
> > 
> > Hm, I don't know what tree aa8188253474 is in, but it's not mine, so I
> > can't take this patch :(
> 
> It's in my tree, I'll take it. Can I add your
> acked/reviewed/whatever-by?

Yes:

Acked-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>