X-Git-Url: http://rtime.felk.cvut.cz/gitweb/lincan.git/blobdiff_plain/cc1afb21bdc089426652f21769164645cae062fd..243fec4450d3a3246f3f0d92751a95daef7c1503:/embedded/arch/arm/generic/defines/hal_intr.h

diff --git a/embedded/arch/arm/generic/defines/hal_intr.h b/embedded/arch/arm/generic/defines/hal_intr.h
index 68df921..0bc3f40 100644
--- a/embedded/arch/arm/generic/defines/hal_intr.h
+++ b/embedded/arch/arm/generic/defines/hal_intr.h
@@ -51,7 +51,7 @@ extern uint32_t hal_default_isr(int vector, uint32_t data);
 
 #define HAL_INTERRUPT_DETACH( _vector_, _isr_ )                            \
     {                                                                      \
-    if( hal_interrupt_handlers[_vector_] == (uint32_t)_isr_ )           \
+    if( (hal_interrupt_handlers[_vector_] == (uint32_t)_isr_) || !(_isr_) )  \
     {                                                                      \
         hal_interrupt_handlers[_vector_] = (uint32_t)hal_default_isr;   \
         hal_interrupt_data[_vector_] = 0;                                  \