Re: [PATCH] ipmi: Fix leak in __ipmi_bmc_register
From: Corey Minyard
Date: Thu Aug 06 2026 - 19:57:28 EST
On Fri, Aug 07, 2026 at 01:30:20AM +0300, Michail Tatas wrote:
> In case that ida_alloc(&ipmi_bmc_ida,...) succeeds and then
> platform_device_register() fails, ipmi_bmc_ida is leaked.
> Fix by freeing the error path
You are correct, added to my next tree. Thank you.
-corey
>
> Signed-off-by: Michail Tatas <michail.tatas@xxxxxxxxx>
> ---
> drivers/char/ipmi/ipmi_msghandler.c | 1 +
> 1 file changed, 1 insertion(+)
>
> diff --git a/drivers/char/ipmi/ipmi_msghandler.c b/drivers/char/ipmi/ipmi_msghandler.c
> index 6ff9a15cced8..7634dff99f41 100644
> --- a/drivers/char/ipmi/ipmi_msghandler.c
> +++ b/drivers/char/ipmi/ipmi_msghandler.c
> @@ -3301,6 +3301,7 @@ static int __ipmi_bmc_register(struct ipmi_smi *intf,
> list_del(&intf->bmc_link);
> mutex_unlock(&bmc->dyn_mutex);
> intf->bmc = &intf->tmp_bmc;
> + ida_free(&ipmi_bmc_ida, bmc->pdev.id);
> put_device(&bmc->pdev.dev);
> goto out;
> }
> --
> 2.43.0
>