On Fri, Nov 25, 2022 at 09:32:17PM +0100, Marc Kleine-Budde wrote:
> Hello Greg,
>
> with v5.18-rc1 in commit
>
> | c359931d2545 ("can: gs_usb: use union and FLEX_ARRAY for data in struct gs_host_frame")
>
> a bug in the gs_usb driver in the usage of usb_free_coherent() was
> introduced. With v6.1-rc1
>
> | 62f102c0d156 ("can: gs_usb: remove dma allocations")
>
> the DMA allocation was removed altogether from the driver, fixing the
> bug unintentionally.
>
> We can either cherry-pick 62f102c0d156 ("can: gs_usb: remove dma
> allocations") on v6.0, v5.19, and v5.18 or apply this patch, which fixes
> the usage of usb_free_coherent() only.
We should always take what is in Linus's tree, that's the best solution.
Does the change backport cleanly?
And 5.19 and 5.18 are long end-of-life, no need to worry about them.
Only 6.0 matters right now.
thanks,
greg k-h
