---
 smdev.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/smdev.c b/smdev.c
index b774908..092ed31 100644
--- a/smdev.c
+++ b/smdev.c
@@ -2,6 +2,7 @@
 #include <sys/ioctl.h>
 #include <sys/stat.h>
 #include <sys/types.h>
+#include <sys/sysmacros.h>
 
 #include <linux/sockios.h>
 #include <linux/if_packet.h>
-- 
2.19.2