[PATCH] xen: use helper macro __ATTR_RW

[Miaohe Lin <linmiaohe@xxxxxxxxxx>]

Use helper macro __ATTR_RW to define hyp_sysfs_attr to make code more
clear. Minor readability improvement.

Signed-off-by: Miaohe Lin <linmiaohe@xxxxxxxxxx>
---
 drivers/xen/sys-hypervisor.c | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/drivers/xen/sys-hypervisor.c b/drivers/xen/sys-hypervisor.c
index feb1d16252e7..5e842c88a13e 100644
--- a/drivers/xen/sys-hypervisor.c
+++ b/drivers/xen/sys-hypervisor.c
@@ -25,8 +25,7 @@
 static struct hyp_sysfs_attr  _name##_attr = __ATTR_RO(_name)
 
 #define HYPERVISOR_ATTR_RW(_name) \
-static struct hyp_sysfs_attr _name##_attr = \
-       __ATTR(_name, 0644, _name##_show, _name##_store)
+static struct hyp_sysfs_attr _name##_attr = __ATTR_RW(_name)
 
 struct hyp_sysfs_attr {
        struct attribute attr;
-- 
2.23.0