Avoid world-writable sysfs files in libata driver.

Signed-off-by: Vitaly Mayatskikh <v.mayatskih@gmail.com>
Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
diff --git a/drivers/ata/libata-scsi.c b/drivers/ata/libata-scsi.c
index 2733b0c..68d9132 100644
--- a/drivers/ata/libata-scsi.c
+++ b/drivers/ata/libata-scsi.c
@@ -313,7 +313,7 @@
 		return ap->ops->em_show(ap, buf);
 	return -EINVAL;
 }
-DEVICE_ATTR(em_message, S_IRUGO | S_IWUGO,
+DEVICE_ATTR(em_message, S_IRUGO | S_IWUSR,
 		ata_scsi_em_message_show, ata_scsi_em_message_store);
 EXPORT_SYMBOL_GPL(dev_attr_em_message);
 
@@ -366,7 +366,7 @@
 	}
 	return -EINVAL;
 }
-DEVICE_ATTR(sw_activity, S_IWUGO | S_IRUGO, ata_scsi_activity_show,
+DEVICE_ATTR(sw_activity, S_IWUSR | S_IRUGO, ata_scsi_activity_show,
 			ata_scsi_activity_store);
 EXPORT_SYMBOL_GPL(dev_attr_sw_activity);