linux-kernel - Re: [PATCH v1 1/3] PCI: j721e: Propagate dev_err

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Message-ID: <CANAwSgRchOvNPShUZOsUzdS0jaBOtFmpPLpJZEv7NNqOohWo3w@mail.gmail.com>
Date: Sun, 19 Oct 2025 11:30:22 +0530
From: Anand Moon <linux.amoon@...il.com>
To: Dan Carpenter <dan.carpenter@...aro.org>
Cc: Vignesh Raghavendra <vigneshr@...com>, Siddharth Vadapalli <s-vadapalli@...com>, 
	Lorenzo Pieralisi <lpieralisi@...nel.org>, Krzysztof Wilczyński <kwilczynski@...nel.org>, 
	Manivannan Sadhasivam <mani@...nel.org>, Rob Herring <robh@...nel.org>, Bjorn Helgaas <bhelgaas@...gle.com>, 
	"open list:PCI DRIVER FOR TI DRA7XX/J721E" <linux-omap@...r.kernel.org>, 
	"open list:PCI DRIVER FOR TI DRA7XX/J721E" <linux-pci@...r.kernel.org>, 
	"moderated list:PCI DRIVER FOR TI DRA7XX/J721E" <linux-arm-kernel@...ts.infradead.org>, 
	open list <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH v1 1/3] PCI: j721e: Propagate dev_err_probe return value

Hi Dan

On Sat, 18 Oct 2025 at 15:18, Dan Carpenter <dan.carpenter@...aro.org> wrote:
>
> On Tue, Oct 14, 2025 at 05:02:27PM +0530, Anand Moon wrote:
> > Ensure that the return value from dev_err_probe() is consistently assigned
> > back to ret in all error paths within j721e_pcie_probe(). This ensures
> > the original error code are propagation for debugging.
> >
> > Cc: Siddharth Vadapalli <s-vadapalli@...com>
> > Signed-off-by: Anand Moon <linux.amoon@...il.com>
> > ---
> > v1: new patch in this series
> > ---
> >  drivers/pci/controller/cadence/pci-j721e.c | 12 ++++++------
> >  1 file changed, 6 insertions(+), 6 deletions(-)
> >
> > diff --git a/drivers/pci/controller/cadence/pci-j721e.c b/drivers/pci/controller/cadence/pci-j721e.c
> > index 5bc5ab20aa6d..9c7bfa77a66e 100644
> > --- a/drivers/pci/controller/cadence/pci-j721e.c
> > +++ b/drivers/pci/controller/cadence/pci-j721e.c
> > @@ -569,20 +569,20 @@ static int j721e_pcie_probe(struct platform_device *pdev)
> >       pm_runtime_enable(dev);
> >       ret = pm_runtime_get_sync(dev);
> >       if (ret < 0) {
> > -             dev_err_probe(dev, ret, "pm_runtime_get_sync failed\n");
> > +             ret = dev_err_probe(dev, ret, "pm_runtime_get_sync failed\n");
> >               goto err_get_sync;
>
> Wait, no, this doesn't make sense.  It's just assigning ret to itself.
> That's just confusing and pointless.
>
Ok, Thanks for clarifying.
> regards,
> dan carpenter
>
Thanks
-Anand