On Mon, 3 Jun 2019 16:04:28 +0200
Halil Pasic <pa...@linux.ibm.com> wrote:
> On Mon, 3 Jun 2019 14:09:02 +0200
> Michael Mueller <m...@linux.ibm.com> wrote:
>
> > >> @@ -1059,16 +1168,19 @@ static int __init css_bus_init(void)
> > >> if (ret)
> > >> goto out_unregister;
> > >> ret = register_pm_notifier(&css_power_notifier);
> > >> - if (ret) {
> > >> - unregister_reboot_notifier(&css_reboot_notifier);
> > >> - goto out_unregister;
> > >> - }
> > >> + if (ret)
> > >> + goto out_unregister_rn;
> > >> + ret = cio_dma_pool_init();
> > >> + if (ret)
> > >> + goto out_unregister_rn;
> > >
> > > Don't you also need to unregister the pm notifier on failure here?
> >
> > Mmh, that was the original intention. Thanks!
>
> I suppose we could also move cio_dma_pool_init() right before the
> register_reboot_notifier() call and goto out_unregister on error.
>
Forget it, then we have to rollback the pool creation if the register
stuff fails... Sorry for the noise.
Regards,
Halil
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