Re: [PATCH] spi: pca2xx-pci: Fix an issue about missing call to 'pci_free_irq_vectors()'

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On Mon, Feb 15, 2021 at 11:41:50AM +0200, Jarkko Nikula wrote:
> On 2/15/21 11:23 AM, Jan Kiszka wrote:
> > On 14.02.21 15:57, Dejin Zheng wrote:
> > > Call to 'pci_free_irq_vectors()' are missing both in the error handling
> > > path of the probe function, and in the remove function. So add them.
> > > 
> > > Fixes: 64e02cb0bdfc7c ("spi: pca2xx-pci: Allow MSI")
> > > Signed-off-by: Dejin Zheng <zhengdejin5@xxxxxxxxx>
> > > ---
> > >   drivers/spi/spi-pxa2xx-pci.c | 13 ++++++++++---
> > >   1 file changed, 10 insertions(+), 3 deletions(-)
> > > 
> > > diff --git a/drivers/spi/spi-pxa2xx-pci.c b/drivers/spi/spi-pxa2xx-pci.c
> > > index 14fc41ed2361..1ec840e78ff4 100644
> > > --- a/drivers/spi/spi-pxa2xx-pci.c
> > > +++ b/drivers/spi/spi-pxa2xx-pci.c
> > > @@ -254,8 +254,10 @@ static int pxa2xx_spi_pci_probe(struct pci_dev *dev,
> > >   	snprintf(buf, sizeof(buf), "pxa2xx-spi.%d", ssp->port_id);
> > >   	ssp->clk = clk_register_fixed_rate(&dev->dev, buf , NULL, 0,
> > >   					   c->max_clk_rate);
> > > -	 if (IS_ERR(ssp->clk))
> > > -		return PTR_ERR(ssp->clk);
> > > +	if (IS_ERR(ssp->clk)) {
> > > +		ret = PTR_ERR(ssp->clk);
> > > +		goto err_irq;
> > > +	}
> > >   	memset(&pi, 0, sizeof(pi));
> > >   	pi.fwnode = dev->dev.fwnode;
> > > @@ -268,12 +270,16 @@ static int pxa2xx_spi_pci_probe(struct pci_dev *dev,
> > >   	pdev = platform_device_register_full(&pi);
> > >   	if (IS_ERR(pdev)) {
> > >   		clk_unregister(ssp->clk);
> > > -		return PTR_ERR(pdev);
> > > +		ret = PTR_ERR(pdev);
> > > +		goto err_irq;
> > >   	}
> > >   	pci_set_drvdata(dev, pdev);
> > >   	return 0;
> > > +err_irq:
> > > +	pci_free_irq_vectors(dev);
> > > +	return ret;
> > >   }
> > >   static void pxa2xx_spi_pci_remove(struct pci_dev *dev)
> > > @@ -283,6 +289,7 @@ static void pxa2xx_spi_pci_remove(struct pci_dev *dev)
> > >   	spi_pdata = dev_get_platdata(&pdev->dev);
> > > +	pci_free_irq_vectors(dev);
> > >   	platform_device_unregister(pdev);
> > >   	clk_unregister(spi_pdata->ssp.clk);
> > >   }
> > > 
> > 
> > Reviewed-by: Jan Kiszka <jan.kiszka@xxxxxxxxxxx>
> > 
> Please fix pca2xx-pci -> pxa2xx-pci in the subject line. With that change
> you may add:

Jan and Jarkko, Thanks very much for your review. I will modify the
subject name in patch v2, Thanks again!

Dejin

> 
> Reviewed-by: Jarkko Nikula <jarkko.nikula@xxxxxxxxxxxxxxx>



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