diff --git a/drivers/block/floppy.c b/drivers/block/floppy.c
index 9b47468..975fac36 100644
--- a/drivers/block/floppy.c
+++ b/drivers/block/floppy.c
@@ -4127,7 +4127,7 @@
 	return sprintf(buf, "%X\n", UDP->cmos);
 }
 
-DEVICE_ATTR(cmos, S_IRUGO, floppy_cmos_show, NULL);
+static DEVICE_ATTR(cmos, S_IRUGO, floppy_cmos_show, NULL);
 
 static void floppy_device_release(struct device *dev)
 {