[PATCH v2] bonding: helper macro __ATTR_RO to make code more clear

[Lianjie Zhang]

From: zhanglianjie <zhanglianjie@xxxxxxxxxxxxx>

Delete SLAVE_ATTR macro, use __ATTR_RO replacement,
make code logic clearer and unified.

Signed-off-by: Lianjie Zhang <zhanglianjie@xxxxxxxxxxxxx>
Reviewed-by: Jay Vosburgh <jay.vosburgh@xxxxxxxxxxxxx>

diff --git a/drivers/net/bonding/bond_sysfs_slave.c b/drivers/net/bonding/bond_sysfs_slave.c
index 6a6cdd0bb258..69b0a3751dff 100644
--- a/drivers/net/bonding/bond_sysfs_slave.c
+++ b/drivers/net/bonding/bond_sysfs_slave.c
@@ -15,14 +15,8 @@ struct slave_attribute {
 	ssize_t (*show)(struct slave *, char *);
 };

-#define SLAVE_ATTR(_name, _mode, _show)				\
-const struct slave_attribute slave_attr_##_name = {		\
-	.attr = {.name = __stringify(_name),			\
-		 .mode = _mode },				\
-	.show	= _show,					\
-};
 #define SLAVE_ATTR_RO(_name)					\
-	SLAVE_ATTR(_name, 0444, _name##_show)
+const struct slave_attribute slave_attr_##_name = __ATTR_RO(_name)

 static ssize_t state_show(struct slave *slave, char *buf)
 {
--
2.20.1