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-rw-r--r--include/hw/or-irq.h5
1 files changed, 5 insertions, 0 deletions
diff --git a/include/hw/or-irq.h b/include/hw/or-irq.h
index fd900fcf19..3f6fc1b58a 100644
--- a/include/hw/or-irq.h
+++ b/include/hw/or-irq.h
@@ -22,6 +22,9 @@
  * THE SOFTWARE.
  */
 
+#ifndef HW_OR_IRQ_H
+#define HW_OR_IRQ_H
+
 #include "hw/irq.h"
 #include "hw/sysbus.h"
 #include "qom/object.h"
@@ -41,3 +44,5 @@ struct OrIRQState {
     bool levels[MAX_OR_LINES];
     uint16_t num_lines;
 };
+
+#endif