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kernel: svc: Add missing error check to CancelSynchronization.

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- Avoids a potential crash if the handle is invalid, and also makes this code accurate to real kernel behavior.
This commit is contained in:
bunnei 2021-06-09 15:24:46 -07:00
parent 5857067a18
commit c63ea608aa
1 changed files with 2 additions and 2 deletions
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4
src/core/hle/kernel/svc.cpp
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@ -449,8 +449,8 @@ static ResultCode CancelSynchronization(Core::System& system, Handle handle) {
// Get the thread from its handle. // Get the thread from its handle.
KScopedAutoObject thread = KScopedAutoObject thread =
system.Kernel().CurrentProcess()->GetHandleTable().GetObject<KThread>( system.Kernel().CurrentProcess()->GetHandleTable().GetObject<KThread>(handle);
static_cast<Handle>(handle)); R_UNLESS(thread.IsNotNull(), ResultInvalidHandle);
// Cancel the thread's wait. // Cancel the thread's wait.
thread->WaitCancel(); thread->WaitCancel();