Re: [RFC][PATCH v3 05/33] timers: ACPI: Use timer_shutdown_sync() before freeing timer

Jarkko Sakkinen
2022-11-07T15:47:11Z

On Fri, Nov 04, 2022 at 01:40:58AM -0400, Steven Rostedt wrote:
> From: "Steven Rostedt (Google)" <rostedt@goodmis.org>
>
> Before a timer is freed, timer_shutdown_sync() must be called.
>
> Link: https://lore.kernel.org/all/20220407161745.7d6754b3@gandalf.local.home/
>
> Cc: "Rafael J. Wysocki" <rafael@kernel.org>
> Cc: Len Brown <lenb@kernel.org>
> Cc: James Morse <james.morse@arm.com>
> Cc: Tony Luck <tony.luck@intel.com>
> Cc: Borislav Petkov <bp@alien8.de>
> Cc: Shuai Xue <xueshuai@linux.alibaba.com>
> Cc: Dave Hansen <dave.hansen@linux.intel.com>
> Cc: Jarkko Sakkinen <jarkko@kernel.org>
> Cc: linux-acpi@vger.kernel.org
> Signed-off-by: Steven Rostedt (Google) <rostedt@goodmis.org>
> ---
> drivers/acpi/apei/ghes.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/drivers/acpi/apei/ghes.c b/drivers/acpi/apei/ghes.c
> index 9952f3a792ba..9a0e41c21cf9 100644
> --- a/drivers/acpi/apei/ghes.c
> +++ b/drivers/acpi/apei/ghes.c
> @@ -1405,7 +1405,7 @@ static int ghes_remove(struct platform_device *ghes_dev)
> ghes->flags |= GHES_EXITING;
> switch (generic->notify.type) {
> case ACPI_HEST_NOTIFY_POLLED:
> - del_timer_sync(&ghes->timer);
> + timer_shutdown_sync(&ghes->timer);
> break;
> case ACPI_HEST_NOTIFY_EXTERNAL:
> free_irq(ghes->irq, ghes);
> --
> 2.35.1

Acked-by: Jarkko Sakkinen <jarkko@kernel.org>

BR, Jarkko