Re: [PATCH v9 7/9] PCI/bwctrl: Add API to set PCIe Link Speed
From: Ilpo Järvinen
Date: Sun Jan 05 2025 - 11:43:28 EST
On Thu, 2 Jan 2025, Lukas Wunner wrote:
> On Fri, Oct 18, 2024 at 05:47:53PM +0300, Ilpo Järvinen wrote:
> > @@ -142,9 +304,11 @@ static int pcie_bwnotif_probe(struct pcie_device *srv)
> > if (ret)
> > return ret;
> >
> > - scoped_guard(rwsem_write, &pcie_bwctrl_lbms_rwsem) {
> > - port->link_bwctrl = no_free_ptr(data);
> > - pcie_bwnotif_enable(srv);
> > + scoped_guard(rwsem_write, &pcie_bwctrl_setspeed_rwsem) {
> > + scoped_guard(rwsem_write, &pcie_bwctrl_lbms_rwsem) {
> > + port->link_bwctrl = no_free_ptr(data);
> > + pcie_bwnotif_enable(srv);
> > + }
> > }
>
> The "data" pointer is allocated with devm_kzalloc().
> There's no __free(kfree) anywhere.
>
> So what's the motivation for the no_free_ptr()?
> Is this a remnant of an earlier version of the patch set that can be deleted
> or is there actually a purpose to it?
Remnant it was so it is okay to remove it in your fix.
--
i.