linux-kernel - Re: [PATCH] spi: pca2xx-pci: Fix an issue about missing call to 'pci_free_irq

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Date:   Mon, 15 Feb 2021 22:55:32 +0800
From:   Dejin Zheng <zhengdejin5@...il.com>
To:     Andy Shevchenko <andriy.shevchenko@...ux.intel.com>
Cc:     daniel@...que.org, haojian.zhuang@...il.com,
        robert.jarzmik@...e.fr, broonie@...nel.org, jan.kiszka@...mens.com,
        jarkko.nikula@...ux.intel.com, linux-spi@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH] spi: pca2xx-pci: Fix an issue about missing call to
 'pci_free_irq_vectors()'

On Mon, Feb 15, 2021 at 03:22:38PM +0200, Andy Shevchenko wrote:
> On Sun, Feb 14, 2021 at 10:57:46PM +0800, 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.
> 
> I'm wondering if you noticed that it's done by pcim_* API.
> Perhaps you can introduce pcim_alloc_irq_vectors() or so and do not add these
> calls at all?
Andy, Thanks for your reminder, You mean introduce
pcim_alloc_irq_vectors() as like pcim_set_mwi() and free irq vectors by
pcim_release()?

> 
> > Fixes: 64e02cb0bdfc7c ("spi: pca2xx-pci: Allow MSI")
> 
> No, it doesn't fix anything.
> 
> -- 
> With Best Regards,
> Andy Shevchenko
> 
>