[PATCH] fbdev/core: Avoid uninitialized read in aperture_remove_conflicting_pci_device()

Thomas Zimmermann tzimmermann at suse.de
Thu Oct 27 07:56:48 UTC 2022


Hi

thanks for the patch. Added to drm-misc-fixes.

Best regards
Thomas

Am 27.10.22 um 02:06 schrieb Michał Mirosław:
> Return on error directly from the BAR-iterating loop instead of
> break+return.
> 
> This is actually a cosmetic fix, since it would be highly unusual to
> have this called for a PCI device without any memory BARs.
> 
> Fixes: 9d69ef183815 ("fbdev/core: Remove remove_conflicting_pci_framebuffers()")
> Signed-off-by: Michał Mirosław <mirq-linux at rere.qmqm.pl>
> ---
>   drivers/video/aperture.c | 5 +----
>   1 file changed, 1 insertion(+), 4 deletions(-)
> 
> diff --git a/drivers/video/aperture.c b/drivers/video/aperture.c
> index 9e6bcc03a1a4..41e77de1ea82 100644
> --- a/drivers/video/aperture.c
> +++ b/drivers/video/aperture.c
> @@ -340,12 +340,9 @@ int aperture_remove_conflicting_pci_devices(struct pci_dev *pdev, const char *na
>   		size = pci_resource_len(pdev, bar);
>   		ret = aperture_remove_conflicting_devices(base, size, primary, name);
>   		if (ret)
> -			break;
> +			return ret;
>   	}
>   
> -	if (ret)
> -		return ret;
> -
>   	/*
>   	 * WARNING: Apparently we must kick fbdev drivers before vgacon,
>   	 * otherwise the vga fbdev driver falls over.

-- 
Thomas Zimmermann
Graphics Driver Developer
SUSE Software Solutions Germany GmbH
Maxfeldstr. 5, 90409 Nürnberg, Germany
(HRB 36809, AG Nürnberg)
Geschäftsführer: Ivo Totev
-------------- next part --------------
A non-text attachment was scrubbed...
Name: OpenPGP_signature
Type: application/pgp-signature
Size: 840 bytes
Desc: OpenPGP digital signature
URL: <https://lists.freedesktop.org/archives/dri-devel/attachments/20221027/a8a88718/attachment.sig>


More information about the dri-devel mailing list