Re: [PATCH 3/3] watchdog: via_wdt: replace del_timer by del_timer_sync

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Hi Julia,

> From: Julia Lawall <Julia.Lawall@xxxxxxx>
> 
> Use del_timer_sync to ensure that the timer is stopped on all CPUs before
> the driver exits.
> 
> This change was suggested by Thomas Gleixner.
> 
> The semantic patch that makes this change is as follows:
> (http://coccinelle.lip6.fr/)
> 
> // <smpl>
> @r@
> identifier i,t,ex;
> @@
> struct t i = { .remove = ex, };
> 
> @@
> identifier r.ex;
> @@
> ex(...) {
>   <...
> - del_timer
> + del_timer_sync
>     (...)
>   ...>
> }
> // </smpl>
> 
> Signed-off-by: Julia Lawall <Julia.Lawall@xxxxxxx>
> 
> ---
> Not tested.
> 
>  drivers/watchdog/via_wdt.c |    2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/drivers/watchdog/via_wdt.c b/drivers/watchdog/via_wdt.c
> index d2cd9f0..56369c4 100644
> --- a/drivers/watchdog/via_wdt.c
> +++ b/drivers/watchdog/via_wdt.c
> @@ -232,7 +232,7 @@ err_out_disable_device:
>  static void wdt_remove(struct pci_dev *pdev)
>  {
>  	watchdog_unregister_device(&wdt_dev);
> -	del_timer(&timer);
> +	del_timer_sync(&timer);
>  	iounmap(wdt_mem);
>  	release_mem_region(mmio, VIA_WDT_MMIO_LEN);
>  	release_resource(&wdt_res);
> 

This was added 2 or 3 weeks ago to linux-watchdog-next.

Kind regards,
Wim.

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