* [PATCH -next] drm/bochs: Fix missing pci_disable_device() on error in bochs_pci_probe()
@ 2021-07-14 8:39 Yang Yingliang
2021-07-14 9:21 ` Thomas Zimmermann
0 siblings, 1 reply; 2+ messages in thread
From: Yang Yingliang @ 2021-07-14 8:39 UTC (permalink / raw)
To: linux-kernel, dri-devel, virtualization; +Cc: kraxel, airlied, daniel
Fix the missing pci_disable_device() before return
from bochs_pci_probe() in the error handling case.
Reported-by: Hulk Robot <hulkci@huawei.com>
Signed-off-by: Yang Yingliang <yangyingliang@huawei.com>
---
drivers/gpu/drm/tiny/bochs.c | 1 +
1 file changed, 1 insertion(+)
diff --git a/drivers/gpu/drm/tiny/bochs.c b/drivers/gpu/drm/tiny/bochs.c
index a2cfecfa8556..74832b9d3eae 100644
--- a/drivers/gpu/drm/tiny/bochs.c
+++ b/drivers/gpu/drm/tiny/bochs.c
@@ -666,6 +666,7 @@ static int bochs_pci_probe(struct pci_dev *pdev, const struct pci_device_id *ent
return ret;
err_free_dev:
+ pci_disable_device(pdev);
drm_dev_put(dev);
return ret;
}
--
2.25.1
^ permalink raw reply related [flat|nested] 2+ messages in thread
* Re: [PATCH -next] drm/bochs: Fix missing pci_disable_device() on error in bochs_pci_probe()
2021-07-14 8:39 [PATCH -next] drm/bochs: Fix missing pci_disable_device() on error in bochs_pci_probe() Yang Yingliang
@ 2021-07-14 9:21 ` Thomas Zimmermann
0 siblings, 0 replies; 2+ messages in thread
From: Thomas Zimmermann @ 2021-07-14 9:21 UTC (permalink / raw)
To: Yang Yingliang, linux-kernel, dri-devel, virtualization; +Cc: airlied, kraxel
[-- Attachment #1.1: Type: text/plain, Size: 1231 bytes --]
Hi
Am 14.07.21 um 10:39 schrieb Yang Yingliang:
> Fix the missing pci_disable_device() before return
> from bochs_pci_probe() in the error handling case.
It's maybe better to replace pci_enable_device() with
pcim_enable_device(), [1] so that the release happens automatically.
Does this work?
Best regards
Thomas
https://elixir.bootlin.com/linux/v5.13.1/source/drivers/pci/pci.c#L2042
>
> Reported-by: Hulk Robot <hulkci@huawei.com>
> Signed-off-by: Yang Yingliang <yangyingliang@huawei.com>
> ---
> drivers/gpu/drm/tiny/bochs.c | 1 +
> 1 file changed, 1 insertion(+)
>
> diff --git a/drivers/gpu/drm/tiny/bochs.c b/drivers/gpu/drm/tiny/bochs.c
> index a2cfecfa8556..74832b9d3eae 100644
> --- a/drivers/gpu/drm/tiny/bochs.c
> +++ b/drivers/gpu/drm/tiny/bochs.c
> @@ -666,6 +666,7 @@ static int bochs_pci_probe(struct pci_dev *pdev, const struct pci_device_id *ent
> return ret;
>
> err_free_dev:
> + pci_disable_device(pdev);
> drm_dev_put(dev);
> return ret;
> }
>
--
Thomas Zimmermann
Graphics Driver Developer
SUSE Software Solutions Germany GmbH
Maxfeldstr. 5, 90409 Nürnberg, Germany
(HRB 36809, AG Nürnberg)
Geschäftsführer: Felix Imendörffer
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