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2 changes: 2 additions & 0 deletions portable/GCC/IA32_flat/port.c
Original file line number Diff line number Diff line change
Expand Up @@ -666,11 +666,13 @@ static BaseType_t prvCheckValidityOfVectorNumber( uint32_t ulVectorNumber )
/* In use by FreeRTOS. */
xReturn = pdFAIL;
}
#if ( configUSE_COMMON_INTERRUPT_ENTRY_POINT == 1 )
else if( xInterruptHandlerTable[ ulVectorNumber ] != NULL )
{
/* Already in use by the application. */
xReturn = pdFAIL;
}
#endif /* configUSE_COMMON_INTERRUPT_ENTRY_POINT */
else
{
xReturn = pdPASS;
Expand Down