Re: [PATCH] fbdev: nvidia: Release write-combining handle on probe failure

[Helge Deller]

On 9/15/26 02:54, Myeonghun Pak wrote:
> Failures in nvidia_set_fbinfo() or register_framebuffer() leave the handle
> from arch_phys_wc_add() allocated. Release it in the shared error path,
> as nvidiafb_remove() already does on normal removal.
>
> The missing cleanup was already present in the initial Git import,
> when the driver used mtrr_add() directly.
>
> This issue was identified during our ongoing static-analysis research
> while reviewing kernel code.
>
> Fixes: 1da177e4c3f4 ("Linux-2.6.12-rc2")
> Cc: stable@xxxxxxxxxxxxxxx
> Assisted-by: LLM
> Co-developed-by: Ijae Kim <ae878000@xxxxxxxxx>
> Signed-off-by: Ijae Kim <ae878000@xxxxxxxxx>
> Signed-off-by: Myeonghun Pak <mhun512@xxxxxxxxx>
> ---
>   drivers/video/fbdev/nvidia/nvidia.c | 1 +
>   1 file changed, 1 insertion(+)
Thanks for your patches!
I've added this one and the two similar ones regarding kyro and gxt4500
to the fbdev git tree.

Helge