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SubjectRe: [PATCH] PCI: tegra: Use PTR_ERR_OR_ZERO
On Tue, Aug 29, 2017 at 03:55:17PM +0200, Thierry Reding wrote:
> On Tue, Aug 29, 2017 at 07:09:00PM +0530, Himanshu Jha wrote:
> > Use PTR_ERR_OR_ZERO rather than if(IS_ERR(...)) + PTR_ERR
> >
> > Signed-off-by: Himanshu Jha <himanshujha199640@gmail.com>
> > ---
> > drivers/pci/host/pci-tegra.c | 5 +----
> > 1 file changed, 1 insertion(+), 4 deletions(-)
> >
> > diff --git a/drivers/pci/host/pci-tegra.c b/drivers/pci/host/pci-tegra.c
> > index 9c40da5..90cda5b 100644
> > --- a/drivers/pci/host/pci-tegra.c
> > +++ b/drivers/pci/host/pci-tegra.c
> > @@ -1156,10 +1156,7 @@ static int tegra_pcie_resets_get(struct tegra_pcie *pcie)
> > return PTR_ERR(pcie->afi_rst);
> >
> > pcie->pcie_xrst = devm_reset_control_get_exclusive(dev, "pcie_x");
> > - if (IS_ERR(pcie->pcie_xrst))
> > - return PTR_ERR(pcie->pcie_xrst);
> > -
> > - return 0;
> > + return PTR_ERR_OR_ZERO(pcie->pcie_xrst);
> > }
>
> I'm not a big fan of this construct because it's a pain to undo this if
> ever we need to add code to this function. But since we do have scripts
> that will flag this, I guess this would pop up every now and again. The
> driver is unlikely to change in this part, too, so:

What do you suggest ? Shall I stop sending these patches ?

Thanks
-Himanshu Jha

> Acked-by: Thierry Reding <treding@nvidia.com>


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