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watchdog: via_wdt: replace del_timer by del_timer_sync

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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@lip6.fr>
Signed-off-by: Wim Van Sebroeck <wim@iguana.be>
This commit is contained in:
Julia Lawall 2014-04-01 15:49:19 +02:00 committed by Wim Van Sebroeck
parent 1e8c8a5b48
commit 3813ff8b38
1 changed files with 1 additions and 1 deletions
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2
drivers/watchdog/via_wdt.c
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@ -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);