fix: SMP: Fix `mp_register_task` thrdid could have been index out of bounds.

Signed-off-by: Amlal El Mahrouss <amlal@nekernel.org>

1 files changed, 2 insertions, 2 deletions

diff --git a/dev/kernel/HALKit/AMD64/HalApplicationProcessor.cc b/dev/kernel/HALKit/AMD64/HalApplicationProcessor.cc
index 79f25920..0dbd6815 100644
--- a/dev/kernel/HALKit/AMD64/HalApplicationProcessor.cc
+++ b/dev/kernel/HALKit/AMD64/HalApplicationProcessor.cc
@@ -115,6 +115,8 @@ EXTERN_C HAL::StackFramePtr mp_get_current_task(ThreadID thrdid) {
 EXTERN_C BOOL mp_register_task(HAL::StackFramePtr stack_frame, ThreadID thrdid) {
   if (!stack_frame) return NO;
 
+  if (thrdid > kSMPCount) return NO;
+  
   if (!kSMPAware) {
     sched_jump_to_task(kHWThread[thrdid].mFramePtr);
 
@@ -122,9 +124,7 @@ EXTERN_C BOOL mp_register_task(HAL::StackFramePtr stack_frame, ThreadID thrdid)
   }
 
   HardwareThreadScheduler::The()[thrdid].Leak()->Busy(NO);
-
   kHWThread[thrdid].mFramePtr = stack_frame;
-  if (thrdid > kSMPCount) return NO;
 
   return YES;
 }