[PATCH 1/2] dmaengine: xilinx_dma: Fix probe error cleanup

Agarwal, Swati swati.agarwal at amd.com
Tue Jul 12 00:36:01 PDT 2022


Hi Vinod,

> -----Original Message-----
> From: Vinod Koul <vkoul at kernel.org>
> Sent: Friday, July 1, 2022 5:21 PM
> To: Swati Agarwal <swati.agarwal at xilinx.com>
> Cc: lars at metafoo.de; adrianml at alumnos.upm.es; libaokun1 at huawei.com;
> marex at denx.de; dmaengine at vger.kernel.org; linux-arm-
> kernel at lists.infradead.org; linux-kernel at vger.kernel.org;
> harini.katakam at xilinx.com; radhey.shyam.pandey at xilinx.com;
> michal.simek at xilinx.com
> Subject: Re: [PATCH 1/2] dmaengine: xilinx_dma: Fix probe error cleanup
> 
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> 
> 
> On 24-06-22, 12:05, Swati Agarwal wrote:
> > When probe fails remove dma channel resources and disable clocks in
> > accordance with the order of resources allocated .
> 
> Ok this looks fine and the changes below..

Thanks for the review!!
Sorry for the delayed reply. I missed this mail due to some mailer issues.

> >
> > Add missing cleanup in devm_platform_ioremap_resource(),
> > xlnx,num-fstores property.
> 
> Where is this part?

The statement is an elaboration of the previous one. The relevant code is below.

<snip>
> >       /* Request and map I/O memory */
> >       xdev->regs = devm_platform_ioremap_resource(pdev, 0);
> > -     if (IS_ERR(xdev->regs))
> > -             return PTR_ERR(xdev->regs);
> > +     if (IS_ERR(xdev->regs)) {
> > +             err = PTR_ERR(xdev->regs);
> > +             goto disable_clks;
> > +     }

This  

<snip>
> >               if (err < 0) {
> >                       dev_err(xdev->dev,
> >                               "missing xlnx,num-fstores property\n");
> > -                     return err;
> > +                     goto disable_clks;
> >               }

And this

Regards,
Swati Agarwal




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