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delete watchdog timer when deinit is called

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to avoid system resource/memory leaked when guest os reboot.

Signed-off-by: Minggui Cao <minggui.cao@intel.com>
Acked-by: Eddie Dong <eddie.dong@intel.com>
This commit is contained in:
Minggui Cao 2018-04-16 11:49:25 +08:00 committed by Jack Ren
parent 6b4ad0b449
commit fdfb71e075
1 changed files with 15 additions and 3 deletions
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18
devicemodel/hw/pci/wdt_i6300esb.c
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@ -132,7 +132,7 @@ wdt_expired_thread(union sigval v)
} }
static void static void
stop_wdt_timer() stop_wdt_timer(void)
{ {
struct itimerspec timer_val; struct itimerspec timer_val;
@ -145,6 +145,19 @@ stop_wdt_timer()
timer_settime(wdt_state.wdt_timerid, 0, &timer_val, NULL); timer_settime(wdt_state.wdt_timerid, 0, &timer_val, NULL);
} }
static void
delete_wdt_timer(void)
{
if (!wdt_state.timer_created)
return;
DPRINTF("%s: timer %ld deleted\n", __func__,
(uint64_t)wdt_state.wdt_timerid);
timer_delete(wdt_state.wdt_timerid);
wdt_state.timer_created = false;
}
static void static void
reset_wdt_timer(int seconds) reset_wdt_timer(int seconds)
{ {
@ -340,11 +353,10 @@ pci_wdt_init(struct vmctx *ctx, struct pci_vdev *dev, char *opts)
return 0; return 0;
} }
static void static void
pci_wdt_deinit(struct vmctx *ctx, struct pci_vdev *dev, char *opts) pci_wdt_deinit(struct vmctx *ctx, struct pci_vdev *dev, char *opts)
{ {
stop_wdt_timer(); delete_wdt_timer();
memset(&wdt_state, 0, sizeof(wdt_state)); memset(&wdt_state, 0, sizeof(wdt_state));
} }