Re: [PATCH v5] net/can/gs_usb: increase max interface to U8_MAX

[Marc Kleine-Budde]

On 30.09.2025 19:34:28, Celeste Liu wrote:
> This issue was found by Runcheng Lu when develop HSCanT USB to CAN FD
> converter[1]. The original developers may have only 3 interfaces device to
> test so they write 3 here and wait for future change.
> 
> During the HSCanT development, we actually used 4 interfaces, so the
> limitation of 3 is not enough now. But just increase one is not
> future-proofed. Since the channel index type in gs_host_frame is u8, just
> make canch[] become a flexible array with a u8 index, so it naturally
> constraint by U8_MAX and avoid statically allocate 256 pointer for
> every gs_usb device.
> 
> [1]: https://github.com/cherry-embedded/HSCanT-hardware
> 
> Fixes: d08e973a77d1 ("can: gs_usb: Added support for the GS_USB CAN devices")
> Reported-by: Runcheng Lu <runcheng.lu@xxxxxxxxxxx>
> Cc: stable@xxxxxxxxxxxxxxx
> Reviewed-by: Vincent Mailhol <mailhol@xxxxxxxxxx>
> Signed-off-by: Celeste Liu <uwu@xxxxxxxxxxxxxxxxx>

Applied to linux-can.

Thanks,
Marc

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