On Fri, Aug 29, 2025 at 09:23:09AM +0800, Stanley Chu wrote:
> In svc_i3c_master_handle_ibi(), an IBI slot is fetched from the pool
> to store the IBI payload. However, when an error condition is encountered,
> the function returns without recycling the IBI slot, resulting in an IBI
> slot leak.
>
> Fixes: c85e209b799f ("i3c: master: svc: fix ibi may not return mandatory data byte")
> Signed-off-by: Stanley Chu <yschu@nuvoton.com>
> ---
Reviewed-by: Frank Li <Frank.Li@nxp.com>
> Changes since v1:
> * Add Fixes tag
> ---
> drivers/i3c/master/svc-i3c-master.c | 1 +
> 1 file changed, 1 insertion(+)
>
> diff --git a/drivers/i3c/master/svc-i3c-master.c b/drivers/i3c/master/svc-i3c-master.c
> index 8e7b4ab919e3..9641e66a4e5f 100644
> --- a/drivers/i3c/master/svc-i3c-master.c
> +++ b/drivers/i3c/master/svc-i3c-master.c
> @@ -417,6 +417,7 @@ static int svc_i3c_master_handle_ibi(struct svc_i3c_master *master,
> SVC_I3C_MSTATUS_COMPLETE(val), 0, 1000);
> if (ret) {
> dev_err(master->dev, "Timeout when polling for COMPLETE\n");
> + i3c_generic_ibi_recycle_slot(data->ibi_pool, slot);
> return ret;
> }
>
> --
> 2.34.1
>