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[NTOS:EX] Only set WakeTimer-related status if timer handle is valid. CORE-18133

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Since STATUS_TIMER_RESUME_IGNORED is a success status, we would
otherwise go into the success case with a NULL Timer object pointer.
This commit is contained in:
Thomas Faber 2022-04-03 20:10:37 -04:00
parent 6f559e9c54
commit 7d1a497619
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1 changed files with 4 additions and 1 deletions
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5
ntoskrnl/ex/timer.c
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@ -640,7 +640,10 @@ NtSetTimer(IN HANDLE TimerHandle,
* functionality required to support them, make this check dependent
* on the actual PM capabilities
*/
if (WakeTimer) Status = STATUS_TIMER_RESUME_IGNORED;
if (NT_SUCCESS(Status) && WakeTimer)
{
Status = STATUS_TIMER_RESUME_IGNORED;
}
/* Check status */
if (NT_SUCCESS(Status))