1 files changed, 5 insertions, 0 deletions

diff --git a/drivers/media/video/ivtv/ivtv-mailbox.h b/drivers/media/video/ivtv/ivtv-mailbox.h
index 79b8aec14370..90c871b8e23b 100644
--- a/drivers/media/video/ivtv/ivtv-mailbox.h
+++ b/drivers/media/video/ivtv/ivtv-mailbox.h
@@ -18,8 +18,13 @@
     Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  */
 
+#ifndef IVTV_MAILBOX_H
+#define IVTV_MAILBOX_H
+
 void ivtv_api_get_data(struct ivtv_mailbox_data *mbox, int mb, u32 data[]);
 int ivtv_api(struct ivtv *itv, int cmd, int args, u32 data[]);
 int ivtv_vapi_result(struct ivtv *itv, u32 data[CX2341X_MBOX_MAX_DATA], int cmd, int args, ...);
 int ivtv_vapi(struct ivtv *itv, int cmd, int args, ...);
 int ivtv_api_func(void *priv, int cmd, int in, int out, u32 data[CX2341X_MBOX_MAX_DATA]);
+
+#endif