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SubjectRe: [PATCH v1] drm/bochs: fix an issue of ioremap() leak
On Tue, Apr 21, 2020 at 7:45 PM Dejin Zheng <zhengdejin5@gmail.com> wrote:
>
> It forgot to call bochs_hw_fini() to release related resources when
> bochs_pci_probe() fail. eg: io virtual address get by ioremap().

Good start, although I think the best is to switch this driver to use
pcim_*() functions and drop tons of legacy code.

> Fixes: 81da8c3b8d3df6 ("drm/bochs: add drm_driver.release callback.")
> CC: Andy Shevchenko <andy.shevchenko@gmail.com>
> Signed-off-by: Dejin Zheng <zhengdejin5@gmail.com>
> ---
> drivers/gpu/drm/bochs/bochs_drv.c | 1 +
> 1 file changed, 1 insertion(+)
>
> diff --git a/drivers/gpu/drm/bochs/bochs_drv.c b/drivers/gpu/drm/bochs/bochs_drv.c
> index addb0568c1af..210a60135c8a 100644
> --- a/drivers/gpu/drm/bochs/bochs_drv.c
> +++ b/drivers/gpu/drm/bochs/bochs_drv.c
> @@ -138,6 +138,7 @@ static int bochs_pci_probe(struct pci_dev *pdev,
> return ret;
>
> err_unload:
> + bochs_hw_fini(dev);
> bochs_unload(dev);
> err_free_dev:
> drm_dev_put(dev);
> --
> 2.25.0
>


--
With Best Regards,
Andy Shevchenko

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