Linux Virtualization - Apr 2020 - [PATCH v1] drm/bochs: fix an issue of ioremap() leak

On Tue, Apr 21, 2020 at 7:45 PM Dejin Zheng <zhengdejin5 at 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 at gmail.com>
> Signed-off-by: Dejin Zheng <zhengdejin5 at 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