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-rw-r--r--hw/input/adb-internal.h4
1 files changed, 4 insertions, 0 deletions
diff --git a/hw/input/adb-internal.h b/hw/input/adb-internal.h
index 2a779b8a0a..8d92165c46 100644
--- a/hw/input/adb-internal.h
+++ b/hw/input/adb-internal.h
@@ -22,6 +22,9 @@
* THE SOFTWARE.
*/
+#ifndef HW_INPUT_ADB_INTERNAL_H
+#define HW_INPUT_ADB_INTERNAL_H
+
/* ADB commands */
#define ADB_BUSRESET 0x00
@@ -47,3 +50,4 @@
extern const VMStateDescription vmstate_adb_device;
+#endif