Re: [PATCH net 11/16] net: ethernet: marvell: mvneta: fix fixed-link phydev leaks

[Greg Kroah-Hartman]

On Thu, May 07, 2020 at 08:47:34AM +0200, Greg Kroah-Hartman wrote:
> On Thu, May 07, 2020 at 08:44:12AM +0200, Johan Hovold wrote:
> > On Thu, May 07, 2020 at 12:27:53AM +0530, Naresh Kamboju wrote:
> > > On Tue, 29 Nov 2016 at 00:00, Johan Hovold <johan@xxxxxxxxxx> wrote:
> > > >
> > > > Make sure to deregister and free any fixed-link PHY registered using
> > > > of_phy_register_fixed_link() on probe errors and on driver unbind.
> > > >
> > > > Fixes: 83895bedeee6 ("net: mvneta: add support for fixed links")
> > > > Signed-off-by: Johan Hovold <johan@xxxxxxxxxx>
> > > > ---
> > > >  drivers/net/ethernet/marvell/mvneta.c | 5 +++++
> > > >  1 file changed, 5 insertions(+)
> > > >
> > > > diff --git a/drivers/net/ethernet/marvell/mvneta.c b/drivers/net/ethernet/marvell/mvneta.c
> > > > index 0c0a45af950f..707bc4680b9b 100644
> > > > --- a/drivers/net/ethernet/marvell/mvneta.c
> > > > +++ b/drivers/net/ethernet/marvell/mvneta.c
> > > > @@ -4191,6 +4191,8 @@ static int mvneta_probe(struct platform_device *pdev)
> > > >         clk_disable_unprepare(pp->clk);
> > > >  err_put_phy_node:
> > > >         of_node_put(phy_node);
> > > > +       if (of_phy_is_fixed_link(dn))
> > > > +               of_phy_deregister_fixed_link(dn);
> > > 
> > > While building kernel Image for arm architecture on stable-rc 4.4 branch
> > > the following build error found.
> > > 
> > > drivers/net/ethernet/marvell/mvneta.c:3442:3: error: implicit
> > > declaration of function 'of_phy_deregister_fixed_link'; did you mean
> > > 'of_phy_register_fixed_link'? [-Werror=implicit-function-declaration]
> > > |    of_phy_deregister_fixed_link(dn);
> > > |    ^~~~~~~~~~~~~~~~~~~~~~~~~~~~
> > > |    of_phy_register_fixed_link
> > > 
> > > ref:
> > > https://gitlab.com/Linaro/lkft/kernel-runs/-/jobs/541374729
> > 
> > Greg, 3f65047c853a ("of_mdio: add helper to deregister fixed-link
> > PHYs") needs to be backported as well for these.
> > 
> > Original series can be found here:
> > 
> > 	https://lkml.kernel.org/r/1480357509-28074-1-git-send-email-johan@xxxxxxxxxx
> 
> Ah, thanks for that, I thought I dropped all of the ones that caused
> build errors, but missed the above one.  I'll go take the whole series
> instead.

This should now all be fixed up, thanks.

greg k-h